Proteins oxidative modification and antioxidant enzymes activity in the liver mitochondria of rats under laser irradiation and administration of ω-3 polyunsaturated fatty acids by O. V. Ketsa, M. O. Zelinska, M. M. Marchenko

“…Animals were irradiated with a 650 nm laser diode in the abdomen daily for 4 min at the distance of 10 cm from the skin surface. ω-3 PUFA were administered per os at a daily dose of 120 mg/kg of the body weight. …”
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An 82-m 9 Gb/s PAM4 FSO-POF-UWOC Convergent System by Chung-Yi Li, Hai-Han Lu, Yun-Chieh Wang, Zhen-Han Wang, Chung-Wei Su, Yi-Feng Lu, Wen-Shing Tsai

“…An 82-m 9 Gb/s four-level pulse amplitude modulation (PAM4) FSO-POF-UWOC convergent system employing a 405-nm blue-light injection-locked laser diode (LD) is thereby offered and practically demonstrated. …”
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Burst-Mode 355 nm UV Laser Based on a QCW LD-Side-Pumped Electro-Optical Q-Switched Nd: YAG Laser by Haowen Guo, Chunyan Jia, Shuai Ye, Yongping Yao, Tiejun Ma, Jiayu Zhang, Meng Bai, Jinbao Xia, Hongkun Nie, Bo Yao, Jingliang He, Baitao Zhang

“…A quasi-continuous wave (QCW) laser diode (LD) side-pumped electro-optical (EO) Q-switched burst-mode Nd: YAG laser was performed as the fundamental laser source. …”
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Triple-Wavelength Thulium-Doped Fiber Random Laser Based on Random Fiber Grating by Lewen Zhou, Yaozong Hu, Wenlong Zheng, Pengbai Xu, Zhensen Gao, Xinyong Dong

“…Triple-wavelength random laser output at wavelengths of 1943.6, 1945.0 and 1946.3 nm was achieved with a relatively low threshold power of 2.01 W, a slope efficiency of 7.86% and a maximum output power of 151.8 mW when it was pumped using a 793 nm laser diode. The 3 dB linewidth was less than 0.1 nm and the optical signal-to-noise ratio was up to 45.6 dB. …”
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Potential Clinical Risk of Inflammation and Toxicity from Rare-Earth Nanoparticles in Mice by Jian-Ping Chen, Song-Sheng Shi, Gui-Fen Liu, Yan Chen, Shui-Shun Zheng, Xiao-Bin Wang, Ru-Hui Lin, Hong-Xing He, Cai-Hou Lin

“…Their physical properties were characterized by transmission electron microscopy and a 980 nm laser diode. Results of MRI study revealed the distribution and circulation of the RENPs in the liver. …”
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Towards the Development of a Low-Cost Device for the Detection of Explosives Vapors by Fluorescence Quenching of Conjugated Polymers in Solid Matrices by Liliana M. Martelo, Tiago F. Pimentel das Neves, João Figueiredo, Lino Marques, Alexander Fedorov, Ana Charas, Mário N. Berberan-Santos, Hugh D. Burrows

“…In addition, a high dynamic range, intensity-based fluorometer, using a laser diode and a filtered photodiode was developed for use with this system.…”
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Small Mirrors for Small Satellites: Design of the Deformable Mirror Demonstration Mission CubeSat (DeMi) Payload by Ewan S. Douglas, Ewan S. Douglas, Greg Allan, Rachel Morgan, Bobby G. Holden, Jennifer Gubner, Christian Haughwout, Paula do Vale Pereira, Yinzi Xin, Yinzi Xin, John Merk, Kerri L. Cahoy, Kerri L. Cahoy

“…In the DeMi payload, a Shack Hartmann lenslet array based wavefront sensor monitors the deformable mirror, illuminated by either an internal 636 nm laser diode or external starlight. This work describes the instrument design drivers and CubeSat implementation, and briefly illustrates operation on orbit by comparing ground-based measurements of a displaced actuator to an on-orbit measurement using the internal laser source. …”
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Inkjet Printing of Yb:YAG Transparent Ceramic Planar Waveguide Laser Gain Medium by Haoran Wang, Wenlan Gao, Jian Zhang, Jie Ma, Haohao Ji, Mengmeng Xie, Xiaojian Mao, Shiwei Wang, Lei Wang, Yuan Gao

“…The Yb:YAG PWG oscillator, which is pumped from a single end by a 940 nm laser diode, produces continuous wave laser at a wavelength of 1030 nm and exhibits the highest power (3.8 W) and highest absorbed–output slope efficiency (64.6%).…”
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Unsteady transient slip flow of Williamson nanofluid containing gyrotactic microorganism and activation energy by A. Aldabesh, Sami Ullah Khan, Danial Habib, Hassan Waqas, Iskander Tlili, M. Ijaz Khan, Waqar Azeem Khan

“…Owing to the magnified thermal performances of nanoparticles and essential applications in various industrial and engineering processes like heat exchangers, cooling systems, boilers, MEMS, chemical engineering, laser diode arrays and cool automobile engines, variety of research is presented in this topic. …”
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Conversionless efficient and broadband laser light diffusers for high brightness illumination applications by Fabian Schütt, Maximilian Zapf, Stefano Signetti, Julian Strobel, Helge Krüger, Robert Röder, Jürgen Carstensen, Niklas Wolff, Janik Marx, Tian Carey, Marleen Schweichel, Maik-Ivo Terasa, Leonard Siebert, Hyo-Ki Hong, Sören Kaps, Bodo Fiedler, Yogendra Kumar Mishra, Zonghoon Lee, Nicola M. Pugno, Lorenz Kienle, Andrea C. Ferrari, Felice Torrisi, Carsten Ronning, Rainer Adelung

“…The authors present a 3D boron nitride hollow-tube based foam structure that acts as a broadband diffuser with engineered disorder for conversionless white light generation from laser-diode light sources…”
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Frequency Stabilization Technology of 1560 nm Fiber Laser Based on Rubidium Modulation Transfer Spectroscopy by Yang Bai, Jun Ruan, Dandan Liu, Sichen Fan, Yong Guan, Pengyue Lei

“…The laser source is based on a 1560 nm semiconductor laser diode that is amplified by an erbium doped fiber amplifier (EDFA). …”
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A Faraday laser lasing on Rb 1529 nm transition by Pengyuan Chang, Huanfa Peng, Shengnan Zhang, Zhangyuan Chen, Bin Luo, Jingbiao Chen, Hong Guo

“…Just by using a performance-improved electrodeless discharge lamp-based excited-state Faraday anomalous dispersion optical filter (LESFADOF), we realized a heterogeneously Faraday laser with the frequency corresponding to atomic transition, working stably over a range of laser diode (LD) current from 85 mA to 171 mA and the LD temperature from 11 °C to 32 °C, as well as the 24-hour long-term frequency fluctuation range of no more than 600 MHz. …”
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Measurement of Light-Duty Vehicle Exhaust Emissions with Light Absorption Spectrometers by Barouch Giechaskiel, Anastasios Melas, Jacopo Franzetti, Victor Valverde, Michaël Clairotte, Ricardo Suarez-Bertoa

“…In the second category, quantum cascade laser (QCL) spectroscopy in the mid-infrared area or laser diode spectroscopy (LDS) in the near-infrared area, such as tunable diode laser absorption spectroscopy (TDLAS), are included. …”
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Tapered Optical Fiber Functionalized with Palladium Nanoparticles by Drop Casting and Laser Radiation for H2 and Volatile Organic Compounds Sensing Purposes by Nancy Elizabeth González-Sierra, Luz del Carmen Gómez-Pavón, Gerardo Francisco Pérez-Sánchez, Arnulfo Luis-Ramos, Plácido Zaca-Morán, Jesús Manuel Muñoz-Pacheco, Fernando Chávez-Ramírez

“…The detection principle of the sensor is based on the changes in the optical properties of palladium nanoparticles when exposed to reducing gases, which causes a variation in the absorption of evanescent waves. A continuous wave laser diode operating at 1550 nm is used for the sensor characterization. …”
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Noninvasive Temperature Measurements in Tissue-Simulating Phantoms Using a Solid-State Near-Infrared Sensor by Ariel Kauffman, John Quan Nguyen, Sanjana Parthasarathy, Mark A. Arnold

“…A miniaturizable solid-state laser-diode-based near-infrared spectrometer was used to collect diffuse reflectance spectra for a set of seven tissue phantoms composed of different amounts of water, gelatin, and Intralipid. …”
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Novel Wide-Range Frequency Offset Estimation and Compensation for Burst-mode CPFSK Upstream Signaling in TDM-Based Digital Coherent PON by Takuya Kanai, Ryo Koma, Masamichi Fujiwara, Jun-ichi Kani, Tomoaki Yoshida

“…The burst-mode continuous phase frequency shift-keying (CPFSK) transmitter that combines a directly modulated laser diode, an electro absorption modulator and a semiconductor optical amplifier is attractive as a cost-effective transmitter for phase modulation formats for digital signal processing (DSP)-based coherent passive optical network (PON) upstream signaling. …”
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Antibacterial and Antifungal Effect of 405 nm Monochromatic Laser on Endodontopathogenic Microorganisms by Takahiro Imamura, Seiko Tatehara, Yusuke Takebe, Reiko Tokuyama, Tomoko Ohshima, Nobuko Maeda, Kazuhito Satomura

“…A monochromatic laser-emitting device equipped with a 405-nm laser diode was developed. Using this device, the effect of 405 nm laser irradiation on the growth of Porphyromonas gingivalis, Prevotella intermedia, Enterococcus faecalis, and Candida albicans, which are microorganisms associated with persistent endodontic infections, was evaluated by viable colony counting. …”
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High Power Yb Fiber Laser With Picosecond Bursts and the Quasi-Synchronously Pumping for Efficient Midinfrared Laser Generation in Optical Parametric Oscillator by Peipei Jiang, Chengzhi Hu, Tao Chen, Pinghui Wu, Bo Wu, Ruhua Wen, Yonghang Shen

“…A gain-switched distributed Bragg reflector laser diode with a pulse repetition rate (PRR) of 138 MHz and pulse duration around 200 ps was applied as the seed laser of a master oscillator power amplifier (MOPA)-structured Yb fiber laser. …”
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Study of equivalent circuit of GaN based laser chip and packaged laser by Junfei Wang, Junhui Hu, Chaowen Guan, Yuqi Hou, Leihao Sun, Songke Fang, Jianyang Shi, Ziwei Li, Junwen Zhang, Nan Chi, Chao Shen

“…Abstract High-speed GaN-based lasers play a pivotal role in visible light communication (VLC) systems; however, the causes of the limited modulation response of our fabricated laser diode (LD) are not fully understood. Accordingly, we constructed an equivalent circuit model for both the LD and its packaging. …”
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Wideband and flat gain series erbium doped fiber amplifier using hybrid active fiber with backward pumping distribution technique by Alabbas A. Al-Azzawi, Aya A. Almukhtar, B.A. Hamida, S. Das, A. Dhar, M.C. Paul, H. Ahmad, S.W. Harun

“…Using the backward pumping distribution technique, the proposed amplifier demonstrates not only an efficient performance, but also a cost reduction since only one laser diode is utilized to pump two stages. Keywords: Wideband optical amplifier, Backward pumping, Erbium-doped fiber amplifier…”
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