Influence of multifrequency vibration on the optical performance of diamond-turned optics and its elimination method
In this work, to reveal the underlying mechanism of the influence of multifrequency vibration on the optical performance of diamond-turned optics, a systematic simulation investigation is performed using Fourier modal method and fast Fourier transformation based on a well-established surface ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: C. L. He W. J. Zong Source Type: research

Dynamic control of diffraction angle and separation properties of wavelength and polarization by quaternary liquid crystal grating
A quaternary liquid crystal (LC) grating simultaneously performs dynamic control of diffraction angle, polarization, and wavelength-separation properties as shown in the following: (1)   Diffraction orders in which light waves are diffracted can be selected by applying a voltage, ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: Kotaro Kawai Moritsugu Sakamoto Kohei Noda Tomoyuki Sasaki Nobuhiro Kawatsuki Hiroshi Ono Source Type: research

Quantitative analysis of Fuller ’ s earth using laser-induced breakdown spectroscopy and inductively coupled plasma/optical emission spectroscopy
Fuller ’ s earth, most commonly known as Multani Matti (clay) in Urdu, among its various utilizations is traditionally used in skin care cosmetics, particularly for removing blackheads and to treat oily skin. It is also used for improving skin complexion. In this paper, laser-induced breakdown ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: I. Rehan M. Z. Khan K. Rehan S. Sultana M. U. Rehman R. Muhammad M. Ikram H. Anwar Source Type: research

Femtosecond laser fabrication of volume-phase gratings in CdS_xSe_1-x-doped borosilicate glass at a low repetition rate
Volume-phase gratings (VPGs) were fabricated in CdS_xSe_1 − x quantum-dot-doped borosilicate glass at a low repetition rate (800   nm, 140   fs, 1   kHz). The VPGs were designed based on rigorous coupled wave analysis simulations. Results indicate that the inscribed thickness ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: J. J. Azkona M. Martinez-Calder ó n E. Granados M. G ó mez-Aranzadi A. Rodriguez S. M. Olaizola Source Type: research

Micro-optical vibrometer/accelerometer using dielectric microspheres
In this paper, an optical vibrometer/accelerometer is designed using micro-optical dielectric sensors based on whispering gallery modes (WGM) phenomena. The proposed design is created as a sphere made from polydimethylsiloxane (PDMS). The dielectric sensor would be laid between a piezo stack and a ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: Amir R. Ali Source Type: research

All-optical logic gates based on unidirectional surface plasmon polaritons
In this study, all-optical logic gates, including OR, XOR, XNOR, NAND, and NOT gates, are obtained in a composite structure composed of gyroelectric material and metal based on the interference and absorption of ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: Ping Li Yongxing Wang Ping Xu Source Type: research

Measurement of the threshold of nonfocusing-pumped stimulated Brillouin scattering based on the spatial characteristic of the reflected pulse
We present a method for measuring the threshold of stimulated Brillouin scattering (SBS) when a large-aperture laser pulse with ultra-Gaussian shape is used as the pump source. By using an optical aperture to filter out part of the backward scattered light, the measured energy efficiency will be ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: Xuehua Zhu Source Type: research

Optical switching and bistability in a degenerated two-level atomic medium under an external magnetic field
We propose a simple system for both optical switching and bistability based on degenerated two-level atoms placed in a ring cavity and an external magnetic field. The magnetic field splits a lower level into two separated levels, both of which are connected to an upper level by coupling and probe ... (Source: Applied Optics)
Source: Applied Optics - May 21, 2019 Category: Physics Authors: Hoang Minh Dong Luong Thi Yen Nga Nguyen Huy Bang Source Type: research

Geometrically invariant watermarking for medical images based on digital holography and three-level DWT-SVD
Digital imaging and communications in medicine are being applied widely to improve health care for people, and their security attracted our attention when they are transmitted through the Internet. The paper proposes a digital watermarking method for medical images based on digital holography and ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Weixia Chen Jihua Gu Qin Li Xiaoyan Tang Daqing Chen Source Type: research

In-line wavefront aberration adjustment of a projection lens for a lithographic tool using the dominant mode method
Aberration adjustment is of great importance in the lithographic process of integrated circuit manufacturing due to the pressure variance, lens thermal effects, overlay correction, and 3D mask effects. With the objective of removing the crosstalk effect, as well as reducing computational complexity ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Zhiyong Yang Xiuguo Chen Hao Jiang Shiyuan Liu Source Type: research

25     W 2     μ m broadband polarization-maintaining hybrid Ho- and Tm-doped fiber amplifier
We report the design, evaluation, and performance of a polarization-maintaining (PM) fiber amplifier with a CW output power of>25     W at 2051   nm and a high input signal dynamic range of 34   dB at 25   W. To improve both the output power and dynamic range ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Robert E. Tench Clement Romano J.-M. Delavaux Source Type: research

Comparison of mid-infrared ZnGeP_2 rectangle ring optical parametric oscillators of three types of resonant regimes
We experimentally demonstrated doubly resonant oscillator (DRO), signal singly resonant oscillator (SSRO), and idler singly resonant oscillator (ISRO) ZnGeP_2 (ZGP) optical parametric oscillators (OPOs), respectively, pumped by a 1   kHz Q-switched Ho:YAG laser. At the full incident pump ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Yi Chen Gaoyou Liu Baoquan Yao Ruixue Wang Chao Yang Xiaoming Duan Tongyu Dai Yuezhu Wang Source Type: research

Phase measurement of nonuniform phase-shifted interferograms using the frequency transfer function
In this paper, we propose a phase measurement method for interferograms with nonuniform phase shifts. First, we measure the phase shifts between consecutive interferograms. Second, we use these values to modify the spectrum of the interferogram data. Then, by analyzing this spectrum, we design a ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Ivan Choque Manuel Servin Moises Padilla Miguel Asmad Sotero Ordones Source Type: research

Experimental studies on the sensitivity of the propagating and localized surface plasmon resonance-based tapered fiber optic refractive index sensors
In the present study, the sensitivities of the fiber optic propagating surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR)-based refractive index sensors have been evaluated experimentally for a tapered probe of different taper ratio. The tapering of the fiber probe has ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Vivek Semwal Banshi D. Gupta Source Type: research

P_3 solution for the total steady-state and time-resolved reflectance and transmittance from a turbid slab
In this paper, we derive some explicit analytical solutions to the P_3 equations for the slab geometry that is illuminated by a collimated plane source. The resulting expressions for the total reflectance and transmittance are compared with the corresponding transport theory ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Andr é Liemert Fabrizio Martelli Tiziano Binzoni Alwin Kienle Source Type: research

Cost-effective mid-infrared micropolarizer fabricated on common silicon by soft nanoimprint lithography
We fabricated a cost-effective mid-IR micropolarizer on a common Si substrate. To improve the transmittance of Si, we performed a double oxidation on the silicon substrate. The SiO_2-Si-SiO_2 structure improved the transmittance of Si from 54% to 63% – 83%. Then, the mid-IR micropolarizer with ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Xiangwei Zeng Jinkui Chu Weidong Kang Qinming Wu Ran Zhan Source Type: research

Design of a transmissive optical system of a laser metal deposition three-dimensional printer with metal powder
A transmissive optical system of a three-dimensional (3D) printer using the laser metal deposition (LMD) technique with a metal powder is proposed here, together with its design method. An f-number of the focused laser beam emitted from the optical system should be large enough for the laser beam ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Hiroshi Ohno Yasutomo Shiomi Satoshi Tsuno Mitsuo Sasaki Source Type: research

Off-resonant photoacoustic spectroscopy for analysis of multicomponent gas mixtures at high concentrations using broadband vibrational overtones of individual gas species
The broadband photoacoustic spectroscopy (PAS) technique is proposed and demonstrated for measurement of CH_4, CO_2, and H_2O vapor in the 1.6 to 2.0   μ m wavelength region. The wide spectrum of a supercontinuum light source is used to cover broadband absorption bands of multiple gas ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Ramya Selvaraj Nilesh J. Vasa S. M. Shiva Nagendra Source Type: research

Efficient optoelectronic reservoir computing with three-route input based on optical delay lines
In the reservoir computing (RC) system based on delay line structure, the dynamical reservoir has short-term memory capability and can map instantaneous time signals to a high-dimensional space, so that it can effectively classify and recognize complicated time signals. A new RC system is proposed ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Xiurong Bao Qingchun Zhao Hongxi Yin Source Type: research

Threshold for stimulated Brillouin scattering in few-mode fibers
In this paper, the stimulated Brillouin scattering (SBS) threshold of step-index few-mode fibers (FMFs) is theoretically analyzed. The scattering characteristics of FMFs are analyzed using the mathematical model of the Brillouin scattering spectrum. The gain spectrum of Brillouin scattering and the ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Weicheng Chen Guijun Hu Feng Liu Feng Wang Congcong Song Xueqing Li Yong Yu Source Type: research

Simultaneous measurement of refractive index and temperature with high sensitivity based on a multipath fiber Mach – Zehnder interferometer
We present and experimentally demonstrate a highly sensitive sensor for simultaneously measuring the refractive index (RI) and temperature based on a multipath fiber Mach – Zehnder interferometer. The sensor is fabricated by sandwiching a segment of weak-coupling seven-core fiber (SCF) with ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Yajun Jiang Tao Wang Chi Liu Dingyi Feng Biqiang Jiang Dexing Yang Jianlin Zhao Source Type: research

Fast estimation of optical properties of pear using a single snapshot technique combined with a least-squares support vector regression model based on spatial frequency domain imaging
Spatial frequency domain imaging has great potential in agricultural produce quality control due to its advantage of wide-field mapping of absorption ( μ _a) and reduced scattering ( μ s ′ ) parameters. However, it is not widely adopted in real applications due to the large time cost ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Xueming He Tingwei Li Xiaping Fu Xu Jiang Yingwang Gao Xiuqin Rao Source Type: research

Compact polarization splitter based on a silicon angled multimode interferometer structure
The difference between transverse electric (TE) and transverse magnetic (TM) mode-effective indices in a wave-guided angled multimode interferometer structure is found to produce practical polarization splitting (PS) in the silicon-on-insulator platform at 1550   nm. Simulations show that this ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Haibo Liang Richard Soref Jianwei Mu Source Type: research

Design of a subwavelength all-metal grating for generating azimuthally polarized beams based on modified particle swarm optimization
A subwavelength metal grating for generating azimuthally polarized beams was designed. The grating material was determined by calculating the total thermal conductivity coefficient. A modified particle swarm optimization (PSO), which has a two-step algorithm structure, and a particle ... (Source: Applied Optics)
Source: Applied Optics - May 18, 2019 Category: Physics Authors: Chunlin Zhu Qingbin Jiao Xin Tan Wei Wang Bayanheshig Source Type: research

Thermally stable lead-free phosphor in glass enhancement performance of light emitting diodes application
A co-sintering method for preparing PIG is proposed, a Ce^3+ doped yttrium aluminum garnet (YAG:Ce) phosphor in glass (PIG) slice is fabricated through co-sintering polycrystalline Ce:YAG phosphor, and a new, to the best of our knowledge, homemade matrix glass ... (Source: Applied Optics)
Source: Applied Optics - May 17, 2019 Category: Physics Authors: Liang Yang Qin Zhang Feng Li An Xie Long Mao Jidong Ma Source Type: research

Liquid crystal-optical phased arrays (LC-OPA)-based optical beam steering with microradian resolution enabled by double gratings
We demonstrate an optical beam steering setup based on a liquid crystal-optical phased array (LC-OPA) with high angular resolution and low beam divergence, due to the use of double-grating configuration to enhance the corresponding angular resolution of LC-OPA. The introduction of two nonparallel ... (Source: Applied Optics)
Source: Applied Optics - May 17, 2019 Category: Physics Authors: Siyi Qin Chen Liu Jinyao Wang Kexin Chen Jingquan Xu Songnian Fu Deming Liu Yanli Ran Source Type: research

Microdeformation of RBCs under oxidative stress measured by digital holographic microscopy and optical tweezers
This paper utilized digital holographic microscopy and optical tweezers to study microdeformation of red blood cells (RBCs) dynamically under oxidative stress. RBCs attached with microbeads were stretched by dual optical tweezers to generate microdeformation. Morphology of RBCs under manipulation ... (Source: Applied Optics)
Source: Applied Optics - May 16, 2019 Category: Physics Authors: Jiaqi Liu Lianqing Zhu Fan Zhang Mingli Dong Xinghua Qu Source Type: research

Optical design of the High Resolution Imaging Channel of SIMBIO-SYS
This paper describes the optical design of the High Resolution Imaging Channel, which is part of the spectrometers and imagers for the Mercury Planetary Orbiter BepiColombo Integrated Observatory SYStem (SIMBIO-SYS) suite, for imaging and spectroscopic investigation of Mercury. The optical design ... (Source: Applied Optics)
Source: Applied Optics - May 16, 2019 Category: Physics Authors: Michele Zusi Riccardo Paolinetti Vincenzo Della Corte Gabriella Marra Marco Baroni Pasquale Palumbo Gabriele Cremonese Source Type: research

Technical aspects for counting and timing photons with a digital oscilloscope
Photon counting and timing are generic tasks in many photonics laboratories. However, the cost of a commercial photon counter system can be a limiting factor to establish a new laboratory. Homemade photon counters can present a cost-saving solution, but they can also present a demanding side ... (Source: Applied Optics)
Source: Applied Optics - May 16, 2019 Category: Physics Authors: Jorge Arturo Rojas-Santana Dorilian Lopez-Mago Source Type: research

Multi-angle-view monocular camera using a polarization image sensor
A wide-angle view can be conventionally acquired with a monocular camera by means of a fish-eye lens. However, the acquired image using the fish-eye lens is generally distorted with a view angle of less than 180   deg. Thus, a multi-angle-view monocular camera using a polarization image sensor ... (Source: Applied Optics)
Source: Applied Optics - May 16, 2019 Category: Physics Authors: Hiroshi Ohno Source Type: research

Multiple target information fusion matching algorithm based on a line laser and a single plane array camera
In the testing process of the dynamic multitarget parameter of a weapon range, multiple targets often occur in the same plane simultaneously, so that the existing optical testing methods cannot recognize and match the spatial positions of all the targets. To address this problem, we propose a new ... (Source: Applied Optics)
Source: Applied Optics - May 16, 2019 Category: Physics Authors: Hanshan Li Xiaoqian Zhang Wang Miao Source Type: research

3D push – pull heterodyne interferometer for SPM metrology
A three-coordinate heterodyne laser interferometer has been developed to measure the displacement of the probe microscope scanner with a subnanometer resolution that provides traceability of measurements to the standard of meter through the wavelength of a stabilized He – Ne laser. Main ... (Source: Applied Optics)
Source: Applied Optics - May 16, 2019 Category: Physics Authors: T. V. Kazieva K. L. Gubskiy A. P. Kuznetsov V. N. Reshetov Source Type: research

Study on auto bias control of a silicon optical modulator in a four-level pulse amplitude modulation format
Recently, the high-speed silicon optical modulator has played a greater and greater role in optic fiber communication. Due to the silicon material nonlinear electro-optic effect, the quadrature (Quad) bias point of the modulator is difficult to be locked precisely. In this paper, a novel automatic ... (Source: Applied Optics)
Source: Applied Optics - May 15, 2019 Category: Physics Authors: Honggang Chen Bo Zhang Weidong Ma Yi Hu Xi Xiao Xuerui Liang Leilei Hu Feng Li Lan Ding Source Type: research

Optical extra-body communication using smartphone cameras for human vital sign transmission
This paper presents an optical extra-body communication (OEBC) for the transmission of human vital signs in an optical camera communication link. The primary vital signs, such as pulse rate, respiratory rate, body temperature, blood pressure, and peripheral capillary oxygen saturation, are captured ... (Source: Applied Optics)
Source: Applied Optics - May 15, 2019 Category: Physics Authors: Durai Rajan Dhatchayeny Yeon Ho Chung Source Type: research

High-power supercontinuum generation by noise-like pulse amplification in Yb-doped fiber amplifier operating in a nonlinear regime
In this paper, we report on a supercontinuum generation by amplifying noise-like pulses (NLPs) in a nonlinear Yb-doped fiber amplifier. The NLP source is a homemade Yb-doped all-fiber ring oscillator based on nonlinear polarization rotation mode-locking method. NLPs possess a repetition rate of ... (Source: Applied Optics)
Source: Applied Optics - May 15, 2019 Category: Physics Authors: E. Aghayari K. Jamshidi Ghaleh Source Type: research

Tungsten-disulphide-based heterojunction photodetector
Two-dimensional (2D) materials have realized significant new applications in photonics, electronics, and optoelectronics. Among these materials is tungsten disulphide (WS_2), which is a 2D material that shows excellent optoelectronic properties, tunable/sizable bandgap in the visible range, and ... (Source: Applied Optics)
Source: Applied Optics - May 15, 2019 Category: Physics Authors: Harith Ahmad Haroon Rashid Mohammad Faizal Ismail Kavintheran Thambiratnam Source Type: research

Terahertz beam focusing through designed oblique metal-slit array
Manipulation of propagating beams is essential in applications, and the potentially arising phenomena offer attractive optical components. However, the design of optical components using only naturally occurring materials has approached physical limits, and artificial materials such as ... (Source: Applied Optics)
Source: Applied Optics - May 15, 2019 Category: Physics Authors: Takehito Suzuki Masashi Sekiya Hideaki Kitahara Source Type: research

Optimization of FSO quantum backscatter communication
In this paper, the free-space optics (FSO) quantum backscatter communication (QBC), inspired by the quantum illumination concept, is described. In this method, the transmitter generates entangled photon pairs. The signal photon is transmitted in the direction of the modulated retro reflector (MRR) ... (Source: Applied Optics)
Source: Applied Optics - May 15, 2019 Category: Physics Authors: Shlomi Arnon Source Type: research

Upmost efficiency, few-micron-sized midwave infrared HgCdTe photodetectors
Resonant cavity-assisted enhancement of optical absorption was a photodetector designing concept emerging about two and half decades ago that responded to the challenge of thinning the photoactive layer while outperforming the efficiency of the monolithic photodetector. However, for many relevant ... (Source: Applied Optics)
Source: Applied Optics - May 14, 2019 Category: Physics Authors: Roy Avrahamy Moshe Zohar Mark Auslender Zeev Fradkin Benny Milgrom Rafi Shikler Shlomo Hava Source Type: research

Image processing for GEO object with 3D rotation based on ground-based InISAL with orthogonal baselines
While imaging geosynchronously orbiting objects with ground-based inverse synthetic aperture LADAR (ISAL), target rotation and vibration will introduce phase errors into the echo and cause the two-dimensional imaging result to be defocused. To solve this problem, one layout of the ISAL receiving ... (Source: Applied Optics)
Source: Applied Optics - May 11, 2019 Category: Physics Authors: Xuan Hu Daojing Li Jianbo Du Source Type: research

Digital image correlation with reduced bias error based on digital signal upsampling theory
Based on digital signal upsampling theory, a new computing strategy has been proposed to reduce the bias error in digital image correlation (DIC) caused by intensity interpolation. For each subset, before subpixel image matching, the subimage around the target subset was processed by increasing the ... (Source: Applied Optics)
Source: Applied Optics - May 11, 2019 Category: Physics Authors: Wei Heng Buwei Huo Xinxing Shao Xiaoyuan He Source Type: research

Paraxial design of a four-component zoom lens with zero separation of principal planes and fixed position of an image focal point composed of members with constant focal length
Our paper presents a detailed theoretical analysis of a four-component zoom lens with coincident principal planes, fixed position of the image focal point, and an approximately corrected Petzval sum. New formulas enabling the calculation of paraxial parameters of such optical systems are derived, ... (Source: Applied Optics)
Source: Applied Optics - May 11, 2019 Category: Physics Authors: Anton í n Mik š Pavel Nov á k Source Type: research

Comparison of existing laser-induced breakdown thermometry techniques along with a time-resolved breakdown approach
Temperature is an important parameter for characterizing chemical, physical, and flow processes occurring in combustion environments. Laser-induced breakdown is a process widely used to determine a material ’ s elemental components and its composition, known as laser-induced breakdown ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Andrew P. Williamson Ulrich Thiele Johannes Kiefer Source Type: research

Real-time acceleration sensing with an arctan algorithm based on a modal interferometer
This study proposes a fiber-optic accelerometer for low-frequency vibration signal detection. The phase velocities of the polarization eigenmodes are affected differently by signals, leading to a polarization rotation of the transmitted lights. The orthogonal square roots of the photovoltages are ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Gang Zhang Xuqiang Wu Qiang Ge Shili Li Jinhui Shi Wei Liu Cheng Zuo Benli Yu Source Type: research

Representation of complex optical surfaceswith adaptive radial basis functions
For state-of-the-art optical elements in laser fusion applications, optical surfaces, especially those with residual fabrication error, are generally complex in symmetry, shape of aperture, and spatial frequency distribution. It is critical to represent the optical surface with high accuracy, ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Xiangdong Zhou Xiao Huang Jian Bai Lei Zhao Jing Hou Kaiwei Wang Yongxiao Hua Source Type: research

Pump-controlled flexible generation between dissipative soliton and noise-like pulses from a mode-locked Er-doped fiber laser
We experimentally investigate the alternative generation of dissipative solitons (DSs) or noise-like pulses (NLPs) from a passively mode-locked Er-doped all-fiber laser with a 45 ° tilted fiber grating (45 ° TFG). The 45 ° TFG serves as an in-fiber polarizer for mode locking in ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Xi Cheng Qianqian Huang Chuanhang Zou Chengbo Mou Zhijun Yan Kaiming Zhou Lin Zhang Source Type: research

Fast FRFT-based method for estimating physical parameters from Newton ’ s rings
By analyzing Newton ’ s rings, often encountered in interferometry, using fractional Fourier transform (FRFT), we can estimate the physical parameters, such as the curvature radius of the spherical surface and the rings ’ center. However, parameter estimation from large images using FRFT ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Zhen Guo Ming-Feng Lu Jin-Min Wu Xiao-Wei Jin Feng Zhang Ran Tao Source Type: research

Influence of astigmatism and field curvature on the correction zones of an optical imaging system
By a detailed analysis of the dependence of aberrations on the numerical aperture and the field of view of the optical system, it is possible to find such values of the numerical aperture and the field of view, where the residual wave aberration is zero. These values can be called correction zones. ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Anton í n Mik š Ji ř í Nov á k Source Type: research

Light, Energy and the Environment, 2018: introduction to the joint feature issue
This joint feature issue of Optics Express and Applied Optics highlights contributions from authors who presented their latest research at the OSA Light, Energy and the Environment Congress, held in Sentosa Island, Singapore from 5 – 8 November 2018. The joint feature issue comprises 11 ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Adam J. Fleisher Peter Bermel Frans J. Harren Akihiko Kuze Qihua Xiong Source Type: research

Baseline correction method based on doubly reweighted penalized least squares
The spectrum acquired on the optical instrument usually contains the pure spectrum and undesirable components such as baseline and random noise. However, the intensity of the baseline, which seriously submerges the spectrum, is the primary limitation of spectral applications. Thus, baseline ... (Source: Applied Optics)
Source: Applied Optics - May 9, 2019 Category: Physics Authors: Degang Xu Song Liu Yaoyi Cai Chunhua Yang Source Type: research