Laser Applications to Chemical, Security, and Environmental Analysis: introduction to the feature issue

Christoph Arndt, Anna-Lena Sahlberg, Anil Patnaik, Frank Beyrau, Joakim Bood, Paul Hsu, and Thomas Seeger

Appl. Opt. 62(6), LAC1-LAC3 (2023)  View: HTML | PDF

Long-distance laser Doppler water flow velocimetry method based on adaptive Gaussian weighted integration

Yujun Li, Xiangkai Zhao, Jinxin Wang, Xiaoli Xi, and Dongmei Li

Appl. Opt. 62(6), A1-A11 (2023)  View: HTML | PDF

Mach 18 flow velocimetry with 100-kHz KTV and PLEET in AEDC Tunnel 9

Naibo Jiang, Paul S. Hsu, Stephen W. Grib, Mikhail Slipchenko, David Shekhtman, Nick. J. Parziale, Mike S. Smith, Addison J. Spicer, and Sukesh Roy

Appl. Opt. 62(6), A25-A30 (2023)  View: HTML | PDF

Mid-infrared laser heterodyne spectrometer by hollow optical fiber and its newly designed coupler

Hiromu Nakagawa, Satoki Tsukada, Takashi Katagiri, Yasumasa Kasaba, Isao Murata, Yasuhiro Hirahara, Yuji Matsuura, and Atsushi Yamazaki

Appl. Opt. 62(6), A31-A36 (2023)  View: HTML | PDF

AP–HTPB propellant combustion under strain conditions with laser absorption spectroscopy

Mingming Gu, Jianfeng Ouyang, Shaojie Wang, Wenhao Yuan, Xiaoming Shi, Kaiyu Hou, Libai Xiao, Hongxu Gao, Zhongyue Zhou, and Fei Qi

Appl. Opt. 62(6), A37-A45 (2023)  View: HTML | PDF

Laser-based sensing in the long-wavelength mid-infrared: chemical kinetics and environmental monitoring applications

Ali Elkhazraji, Mohammad Khaled Shakfa, Nawaf Abualsaud, Mhanna Mhanna, Mohamed Sy, Marco Marangoni, and Aamir Farooq

Appl. Opt. 62(6), A46-A58 (2023)  View: HTML | PDF

Recent progress in high-speed laser diagnostics for hypersonic flows [Invited]

Naibo Jiang, Paul S. Hsu, Mark Gragston, and Sukesh Roy

Appl. Opt. 62(6), A59-A75 (2023)  View: HTML | PDF

High-performance layer-structured Si/Ga₂O₃/CH₃NH₃PbI₃ heterojunction photodetector based on a Ga₂O₃ buffer interlayer

Guibao Wang, Tiqiang Pang, Kai Sun, Suzhen Luan, Yuming Zhang, Lei Yuan, and Renxu Jia

Appl. Opt. 62(6), A76-A82 (2023)  View: HTML | PDF

Machine learning in analytical spectroscopy for nuclear diagnostics [Invited]

Ashwin P. Rao, Phillip R. Jenkins, Ryan E. Pinson, John D. Auxier II, Michael B. Shattan, and Anil K. Patnaik

Appl. Opt. 62(6), A83-A109 (2023)  View: HTML | PDF

Quenching measurements of Kr 5p[3/2]₂ ← ← 4p^{6 1}S₀ electronic transition using absorption spectra

Abinash Sahoo, Venkateswaran Narayanaswamy, and Kevin M. Lyons

Appl. Opt. 62(6), A110-A117 (2023)  View: HTML | PDF  [Suppl. Mat. (2)]

LIBS and Raman spectroscopy in tandem with machine learning for interrogating weatherization of lithium hydride

Ryan E. Pinson, Andrew V. Giminaro, Christina L. Dugan, Phillip R. Jenkins, and Anil K. Patnaik

Appl. Opt. 62(6), A118-A126 (2023)  View: HTML | PDF

Ratio fluorescence sensor based on CD/Cu-MOFs for detection of Hg²⁺

Jingzhou Hou, Ya Zhang, Fanglin Ming, Yiyihui Hong, Huan Liu, Qiang He, Changjun Hou, and Danqun Huo

Appl. Opt. 62(6), A127-A136 (2023)  View: HTML | PDF

All-fiber saturable absorber based on slightly tapered graded index multimode fiber for conventional and bound soliton generation

Sanfei Wang, D. N. Wang, and Ben Xu

Appl. Opt. 62(6), 1504-1509 (2023)  View: HTML | PDF

Heterogeneous VLC/RF multi-hop cluster V2V channel allocation algorithm based on equivalent SINR

RongRong Yin, Jun Sang, Xingyue Shen, Kuankuan Jia, and Mengfa Zhai

Appl. Opt. 62(6), 1528-1536 (2023)  View: HTML | PDF

Mode conversion between fibers with different refraction index distribution based on adiabatically tapered structures

Xuanfeng Zhou

Appl. Opt. 62(6), 1547-1556 (2023)  View: HTML | PDF

OPGW positioning and early warning method based on a Brillouin distributed optical fiber sensor and machine learning

Meng Xia, Xiaohui Tang, Ying Wang, Can Li, Yong Wei, Jiaju Zhang, Taofei Jiang, and Yongkang Dong

Appl. Opt. 62(6), 1557-1566 (2023)  View: HTML | PDF

Performance-enhanced fiber optic humidity sensors based on SiO₂/porous PMMA coatings

Jinze Li, Min Lai, Hengheng Zhang, Huatang Song, Jixiang He, Yuxin Chen, Yutong Qi, Bao Zhu, Yan Ma, and Bo Liu

Appl. Opt. 62(6), 1575-1581 (2023)  View: HTML | PDF

Sensitivity enhanced vector accelerometer based on FBG-FP inscribed on multicore fiber

Jiaojiao Wang, Fengyi Chen, Rui Zhou, Ruohui Wang, and Xueguang Qiao

Appl. Opt. 62(6), 1592-1597 (2023)  View: HTML | PDF

Identification of the interference spectra of edible oil samples based on neighborhood rough set attribute reduction

Shijun Xu, Wenbo Wu, Chuanxing Gong, Jinjian Dong, and Caifei Qiao

Appl. Opt. 62(6), 1537-1546 (2023)  View: HTML | PDF

Temperature effects on axial dispersion in a photopolymer-based holographic lens

Hongpeng Liu, Gaojing Sun, Menglin Li, Li Li, Jiatong Zhang, Hongda Tai, and Dan Yu

Appl. Opt. 62(6), 1475-1482 (2023)  View: HTML | PDF  [Suppl. Mat. (9)]

Improving the upper atmospheric temperature accuracy of the ground-based instrument by eliminating noise ways

Yangyang Xue, Cunxia Li, Ningju Hui, Lina Liu, Junyi Tong, Rong Zhang, and Yuanhe Tang

Appl. Opt. 62(6), 1436-1446 (2023)  View: HTML | PDF

Photonic approach for Doppler-frequency-shift and angle-of-arrival measurement with direction unambiguity and high precision

Qirui Lin and Jianxin Ma

Appl. Opt. 62(6), 1447-1455 (2023)  View: HTML | PDF

Dynamic pressure surface deformation measurement based on a chromatic confocal sensor

Bin Zhao, Junyi Li, Xiaoxiao Mao, Fei Sun, and Xiumin Gao

Appl. Opt. 62(6), 1467-1474 (2023)  View: HTML | PDF

Large numerical aperture off-axis reflective telescope design with a freeform mirror based on aperture expansion strategy

Jialun Zhang, Yuquan Zheng, Chao Lin, Yanxue Han, and Yi Shi

Appl. Opt. 62(6), 1510-1520 (2023)  View: HTML | PDF

Multi-harmonic reconstruction of photoelastic modulator-based Mueller polarimeters using the complex Q-matrix

Joe Kurtz, Andrey S. Alenin, and J. Scott Tyo

Appl. Opt. 62(6), 1635-1646 (2023)  View: HTML | PDF

Multi-MEMS-microphone schemes in a miniature photoacoustic cell for acetylene trace gas measurement

Qing He, Weirun Zhu, Haifei Lv, Xiaoyan Wen, Zhexuan Zheng, Jiafu Wang, and Min Li

Appl. Opt. 62(6), 1647-1653 (2023)  View: HTML | PDF

Self-Q-switched Er:Lu₂O₃ laser at 2.74 µm

Meng Zhang, Yanru Yin, Lu Zhang, Baitao Zhang, Kejian Yang, Jingliang He, and Tao Li

Appl. Opt. 62(6), 1462-1466 (2023)  View: HTML | PDF

Design of few-mode erbium-doped fiber with a low differential modal gain and weak coupling based on layered doping

Qi Zhao, Li Pei, Jianjun Tang, Jianshuai Wang, Jingjing Zheng, Jing Li, and Tigang Ning

Appl. Opt. 62(6), 1567-1574 (2023)  View: HTML | PDF

Spectra reconfiguration of a silicon microring resonator via double injection with different angles

Chen Guo, Binfeng Yun, Guohua Hu, and Yiping Cui

Appl. Opt. 62(6), 1497-1503 (2023)  View: HTML | PDF

Engineering a conformal optical window of a square-to-circular transition isolator

Yang Ou, Yifan Dai, Shanyong Chen, Hao Hu, Xiaoqiang Fan, Bing Xiong, Yupeng Xiong, Shangcehng Xu, Chunyang Du, and Chaoliang Guan

Appl. Opt. 62(6), 1616-1627 (2023)  View: HTML | PDF

Broadband plasma spray anti-reflection coating technology for millimeter-wave astrophysics

Oliver Jeong, Richard Plambeck, Christopher Raum, Aritoki Suzuki, and Adrian T. Lee

Appl. Opt. 62(6), 1628-1634 (2023)  View: HTML | PDF

High-efficiency metalens-based compact multispectral variable spectrometer

Yachen Ke, Boyang Nie, Lidong Wei, Juanjuan Jing, Jinsong Zhou, and Lei Feng

Appl. Opt. 62(6), 1456-1461 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

Compact on-chip crystalline resonator integration with etching of tapered fiber waveguide

Jun Yue, Jiamin Rong, Enbo Xing, Weikang Xu, Jiamin Bai, Wenyao Liu, Jun Tang, and Jun Liu

Appl. Opt. 62(6), 1492-1496 (2023)  View: HTML | PDF

Optimal design of a 4 × 4 MMI thermal optical switch with trapezoidal air trenches

Yuling Shang, Jinzhuo Zhou, Hui Jiang, Xiang He, Xiaojing Ye, and Chunquan Li

Appl. Opt. 62(6), 1521-1527 (2023)  View: HTML | PDF

Probabilistic model to spatially acquire optical links in space under the influence of band-limited beam jitter

Gerald Hechenblaikner

Appl. Opt. 62(6), 1582-1591 (2023)  View: HTML | PDF

Near-MHz temperature and H₂O measurements in post-detonation fireballs of 25 g hemispherical explosives using scanned-wavelength-modulation spectroscopy

Charles J. Schwartz, Joshua W. Stiborek, Austin Butler, Damon Chen, Daniel R. Guildenbecher, Marc Welliver, Nick Glumac, and Christopher S. Goldenstein

Appl. Opt. 62(6), 1598-1609 (2023)  View: HTML | PDF

Terahertz all-dielectric metasurface sensor based on quasi-bound states in the continuum

Yao-Yao Xue and Jiu-Sheng Li

Appl. Opt. 62(6), 1610-1615 (2023)  View: HTML | PDF