1 May 2021, Volume 60, Issue 13, pp. 3549-4063  
64 articles

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Spotlight on Optics

Step-by-step guide to 3D print motorized rotation mounts for optical applications

open access Appl. Opt. 60(13), 3764-3771 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Polarization neutral point pairs of the solar corona and the lunar disc observed during the total solar eclipse on 11 August 1999 in Hungary

Appl. Opt. 60(13), 3609-3616 (2021)  View: HTML | PDF

Measurement of the internal electric field in periodically poled congruent lithium niobate crystals by far-field diffraction

Appl. Opt. 60(13), 3791-3796 (2021)  View: HTML | PDF

Nearly dispersionless multicolor metasurface beam deflector for near eye display designed by a physics-driven deep neural network

Appl. Opt. 60(13), 3947-3953 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Editors' Pick

Efficient vortex beam generation using gradient refractive-index microphase plates

Appl. Opt. 60(13), 3997-4003 (2021)  View: HTML | PDF

Automatic traffic monitoring by ϕ-OTDR data and Hough transform in a real-field environment

Appl. Opt. 60(13), 3579-3584 (2021)  View: HTML | PDF

Optical wireless communication performance enhancement using Hamming coding and an efficient adaptive equalizer with a deep-learning-based quality assessment

Appl. Opt. 60(13), 3677-3688 (2021)  View: HTML | PDF

Optical boundary discrimination in spatial posture measurement

Appl. Opt. 60(13), 3797-3800 (2021)  View: HTML | PDF

Simultaneous measurement of temperature and relative humidity based on a twisted microfiber coated with nanomaterials

Appl. Opt. 60(13), 3849-3855 (2021)  View: HTML | PDF

All-normal dispersion ytterbium-doped fiber laser mode locked by nonlinear multimode interference

Appl. Opt. 60(13), 3888-3894 (2021)  View: HTML | PDF

Underwater localization system based on visible-light communications using neural networks

Appl. Opt. 60(13), 3977-3988 (2021)  View: HTML | PDF

All-fiber high-voltage capacitor unbalanced current transformer

Appl. Opt. 60(13), 4034-4038 (2021)  View: HTML | PDF

Active alignment of complex perturbed pupil-offset off-axis telescopes using the extension of nodal aberration theory

Appl. Opt. 60(13), 3874-3887 (2021)  View: HTML | PDF

Efficient implementation of optical scanning holography in cancelable biometrics

Appl. Opt. 60(13), 3659-3667 (2021)  View: HTML | PDF

Extensive-dynamic-range and high-resolution surface profiling with phase-sensitive spectral-domain white-light interferometry

Appl. Opt. 60(13), 3604-3608 (2021)  View: HTML | PDF

Image-matching enhancement using a polarized intensity-hue-saturation fusion method

Appl. Opt. 60(13), 3699-3715 (2021)  View: HTML | PDF

Verification of phase measurement error sources in phase-shifting interferometry with four step phase-shifting algorithms

Appl. Opt. 60(13), 3856-3864 (2021)  View: HTML | PDF

Extended depth-of-field projection method using a high-speed projector with a synchronized oscillating variable-focus lens

Appl. Opt. 60(13), 3917-3924 (2021)  View: HTML | PDF  [Suppl. Mat. (2)]

Image reconstruction with the chaotic fiber laser in scattering media

Appl. Opt. 60(13), 4004-4012 (2021)  View: HTML | PDF

Design and application of a comprehensive experimental system for real imaging–virtual imaging of dynamic caustics

Appl. Opt. 60(13), 3549-3558 (2021)  View: HTML | PDF

Possible use of fluorescence from iodine blocking filter in high-spectral-resolution lidar to detect Mie scattering signals

Appl. Opt. 60(13), 3617-3622 (2021)  View: HTML | PDF

Efficient calibration method of total polarimetric errors in a channeled spectropolarimeter

Appl. Opt. 60(13), 3623-3628 (2021)  View: HTML | PDF

Editors' Pick

Heatwave distortion correction using an improved reference sample compensation method and multispectral digital image correlation

Appl. Opt. 60(13), 3716-3723 (2021)  View: HTML | PDF

Absolute testing method of shift-rotation based on the influence function

Appl. Opt. 60(13), 3808-3815 (2021)  View: HTML | PDF

Directional phase-unwrapping algorithm and phase shift technique on hydrogel

Appl. Opt. 60(13), 3901-3908 (2021)  View: HTML | PDF

Convolutional neural network for estimating physical parameters from Newton’s rings

Appl. Opt. 60(13), 3964-3970 (2021)  View: HTML | PDF

Robust incident angle calibration of angle-resolved ellipsometry for thin film measurement

Appl. Opt. 60(13), 3971-3976 (2021)  View: HTML | PDF

Induction and detection of pressure waves by pulsed thermal lens technique in water–ethanol mixtures

Appl. Opt. 60(13), 4029-4033 (2021)  View: HTML | PDF

Specular highlight removal based on an iterative light field method

Appl. Opt. 60(13), 4039-4046 (2021)  View: HTML | PDF

Electrically controlled 1 × 2 tunable switch using a phase change material embedded silicon microring

Appl. Opt. 60(13), 3559-3568 (2021)  View: HTML | PDF

Tunable plasmonic filter based on parallel bulk Dirac semimetals at terahertz frequencies

Appl. Opt. 60(13), 3634-3640 (2021)  View: HTML | PDF

Observation of square- and h-shaped pulse from a mode-locked erbium-doped fiber laser

Appl. Opt. 60(13), 3591-3595 (2021)  View: HTML | PDF

STOP model development and analysis of an optical collimation system for a tactical high-energy laser weapon

Appl. Opt. 60(13), 3596-3603 (2021)  View: HTML | PDF

Evolutions of Q-switched mode-locked square noise-like pulse with different cavity lengths

Appl. Opt. 60(13), 3641-3646 (2021)  View: HTML | PDF

2.4 kW 1045 nm narrow-spectral-width monolithic single-mode CW fiber laser by using an FBG-based MOPA configuration

Appl. Opt. 60(13), 3740-3746 (2021)  View: HTML | PDF

Vibration reconstruction and optical feedback parameter evaluation based on the direction discrimination in self-mixing interferometry

Appl. Opt. 60(13), 3801-3807 (2021)  View: HTML | PDF

Numerical analysis of the DKDP-based high-energy optical parametric chirped pulse amplifier for a 100 PW class laser

Appl. Opt. 60(13), 3842-3848 (2021)  View: HTML | PDF

Improving spatial precision and field-of-view in wavelength-tagged single-particle tracking using spectroscopic single-molecule localization microscopy

Appl. Opt. 60(13), 3647-3658 (2021)  View: HTML | PDF

Editors' Pick

In-vivo imaging of melanoma with simultaneous dual-wavelength acoustic-resolution-based photoacoustic/ultrasound microscopy

Appl. Opt. 60(13), 3772-3778 (2021)  View: HTML | PDF

High-energy nanosecond parametric source at 2.7 µm

Appl. Opt. 60(13), 3585-3590 (2021)  View: HTML | PDF

321 W high-efficiency continuous-wave green laser produced by single-pass frequency doubling of narrow-linewidth fiber laser

Appl. Opt. 60(13), 3836-3841 (2021)  View: HTML | PDF

Optimization study of metallic hole arrays as the multi-channel spectral filters in long-infrared wavelengths

Appl. Opt. 60(13), 3830-3835 (2021)  View: HTML | PDF

Optimizing photonic ring-resonator filters for OH-suppressed near-infrared astronomy

Appl. Opt. 60(13), 3865-3873 (2021)  View: HTML | PDF

High-efficiency transmissive invisibility cloaking based on all-dielectric multilayer frame structure metasurfaces

Appl. Opt. 60(13), 3909-3916 (2021)  View: HTML | PDF

Smoothing process of conformal vibration polishing for mid-spatial frequency errors: characteristics research and guiding prediction

Appl. Opt. 60(13), 3925-3935 (2021)  View: HTML | PDF

Ambient temperature effect on the imaging quality of an aspherical airborne camera: theoretical and experimental analysis

Appl. Opt. 60(13), 3668-3676 (2021)  View: HTML | PDF

Three-dimensional measurement for spherical and nonspherical shapes of contact lenses

Appl. Opt. 60(13), 3689-3698 (2021)  View: HTML | PDF

Micro-opto-electro-mechanical gyroscope based on the Talbot effect of a single-layer near-field diffraction grating

Appl. Opt. 60(13), 3724-3731 (2021)  View: HTML | PDF

Periodic structure of different dielectric layers for dielectric laser accelerators

Appl. Opt. 60(13), 3747-3752 (2021)  View: HTML | PDF

Terahertz sensor based on a three-dimensional double I-type metamaterial integrated microfluidic channel

Appl. Opt. 60(13), 3816-3822 (2021)  View: HTML | PDF

Temperature sensing utilizing unclad plastic optical fiber with a balloon-like bent structure

Appl. Opt. 60(13), 3895-3900 (2021)  View: HTML | PDF

Terahertz focusing metalens of reflectionless meta-atoms with negative refractive indices

Appl. Opt. 60(13), 3989-3996 (2021)  View: HTML | PDF

Point absorbers in Advanced LIGO

Appl. Opt. 60(13), 4047-4063 (2021)  View: HTML | PDF

Optical needles with arbitrary three-dimensional spin angular momentum

Appl. Opt. 60(13), 3779-3783 (2021)  View: HTML | PDF

Flexible, fast, and benchmarked vectorial model for focused laser beams

Appl. Opt. 60(13), 3954-3963 (2021)  View: HTML | PDF

Ghost imaging of blurred object based on deep-learning

Appl. Opt. 60(13), 3732-3739 (2021)  View: HTML | PDF

OrganiCam: a lightweight time-resolved laser-induced luminescence imager and Raman spectrometer for planetary organic material characterization

Appl. Opt. 60(13), 3753-3763 (2021)  View: HTML | PDF

Accurate and nondestructive detection of apple brix and acidity based on visible and near-infrared spectroscopy

Appl. Opt. 60(13), 4021-4028 (2021)  View: HTML | PDF

Dynamic switching of coaxial focus based on terahertz meta-lens

Appl. Opt. 60(13), 3629-3633 (2021)  View: HTML | PDF

High-performance 1–10 THz integrating sphere

open access Appl. Opt. 60(13), 3784-3790 (2021)  View: HTML | PDF

THz-TDS parameter extraction: empirical correction terms for the analytical transfer function solution

Appl. Opt. 60(13), 4013-4020 (2021)  View: HTML | PDF