Fully Integrated Photoacoustic NO₂ Sensor for Sub-ppb Level Measurement by Yang Dong, Mingsi Gu, Gongdong Zhu, Tu Tan, Kun Liu, Xiaoming Gao

“…In this sensor, an embedded photoacoustic cell was manufactured by using an up-to-date 3D printing technique. A blue laser diode was used as a light source for excitation of photoacoustic wave in the photoacoustic cell. …”
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Comparative Evaluation of the Effect of Diode Laser Irradiation, Fluoride Varnish, and Casein Phosphopeptide-Calcium Amorphous Phosphate on Demineralized Enamel Microhardness by Mohammad Hossein Nosrati, Mahshid Saffarpour, Atefeh Yousefi Jordehi

“…Introduction: Laser diode irradiation, the use of fluoride varnish, and casein phosphopeptide-calcium amorphous phosphate (CCP-ACP) paste have been suggested as effective methods to increase the enamel resistance to decay. …”
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Development of a High-Precision Touch-Trigger Probe Using a Single Sensor by Rui-Jun Li, Meng Xiang, Ya-Xiong He, Kuang-Chao Fan, Zhen-Ying Cheng, Qiang-Xian Huang, Bin Zhou

“…The sensor is composed of a laser diode, a plane mirror, a focusing lens, and a quadrant photo detector (QPD). …”
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The Effect of Cooling Layer Thickness and Coolant Velocity on Crystal Thermodynamic Properties in a Laser Amplifier by Shuzhen Nie, Tianzhuo Zhao, Xiaolong Liu, Pubo Qu, Yuchuan Yang, Yuheng Wang

“…Laser diode pumped solid-state lasers (DPSSLs) have been widely used in many fields, and their thermal effects have attracted more and more attention. …”
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Laser versus LED polymerization: Comparison of in vitro preventive sealing procedures by Filiberto Mastrangelo, Isabella Perraro, Sabrina Mattia, Giuseppe Troiano, Khrystyna Zhurakivska, Elisabetta Polizzi, Roberto Chiesa, Enrico Gherlone, Lorenzo Lo Muzio

“…The aim of our in vitro study was to compare the effect of two different curing units (traditional LED source and innovative laser diode lamp) on the integrity of fissure sealant material and its interface with tooth enamel. …”
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Mekanisme Seeder Particle Micro – Bubble Untuk Particle Image Velocimetry by HAFID A.Q.M, Achmad

“…Keywords : microbubble , seeding particles , tracer , Particle image velocimetry , LED , Laser Diode , Stokes Number, Relaxation Time…”

Er-Doped Sapphire Fibre Temperature Sensors Using Upconversion Emission by J.H. Sharp, C.W.P. Shi, H.C. Seat

“…Intense upconversion emission in the blue, green and red was observed from these fibres when pumped with a laser diode at 965nm. The lifetime and the integrated intensity of the upconversion signal was characterised as function of laser power and temperature. …”
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Monolithic integration of an acceleration sensor based on an external cavity laser with a micromachined mirror by Tan, Chee Khiang.

“…However, it is based on a hybrid configuration, with a laser diode, a photodetector and a MEMS mirror, that need to be integrated in the same package. …”
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Design of GaAsNBi/GaAs quantum well laser with emission wavelength of 1.55um by Chen, Ruiming

“…GaAs-based laser diode with emission wavelength of 1.55um are highly demand due to their potential applications in optical fiber communication. …”
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Detection of Molecular Oxygen at Low Concentrations Using Quartz Enhanced Photoacoustic Spectroscopy by Andreas Pohlkötter, Michael Köhring, Ulrike Willer, Wolfgang Schade

“…The system consists of a seed laser diode, a tapered amplifier and a quartz tuning fork based spectrophone, thus employing quartz enhanced photoacoustic spectroscopy (QEPAS). …”
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Investigation on the wavefront stability of wavefront sensors by Aung Aung Hein

“…Several investigations on three different light sources, white light, laser diode and He-Ne laser have been carried out for two wavefront sensing systems, Hartmann and Shack-Hartmann systems. …”
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Photon-number squeezing in a free-running quantum-well laser operating at 980 nm by Wolfl, F, Ispasoiu, R, Ryan, J, Fox, A

“…We present intensity noise investigations of a free-running InGaAs quantum-well laser diode operating at 980 nm at room temperature. …”

Iron and Copper Doped Zinc Oxide Nanopowders as a Sensitizer of Industrial Energetic Materials to Visible Laser Radiation by Anton S. Zverev, Natalya N. Ilyakova, Denis R. Nurmukhametov, Yulia N. Dudnikova, Dmitry M. Russakov, Valery M. Pugachev, Anatoly Y. Mitrofanov

“…The obtained energetic composites can be reliably initiated by a CW blue laser diode with a wavelength of 450 nm and power of 21 W. …”
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Mode-locked 2 mu m fiber laser with a multi-walled carbon nanotube as a saturable absorber by Azooz, S.M., Ahmad, F., Ahmad, Harith, Harun, Sulaiman Wadi, Hamida, B.A., Khan, S., Halder, A., Paul, M.C., Pal, M., Bhadra, S.K.

“…The cavity consists of a 2 m long TDF pumped by a 800 nm laser diode and a 15 m long homemade TYDF pumped by a 905 nm multimode laser diode. …”
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An All Fiber White Light Interferometric Absolute Temperature Measurement System by Jeonggon Harrison Kim

“…Finally, robustness of the sensor system towards laser diode temperature drift, AFMZI temperature drift and PZT non-linearity was demonstrated.…”
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Generating of Chaotic Signals by using Semiconductor Laser with Optical Feedback by Shatha M. Hasan, Mohammed S. Mehde, Raad S. Fyath

“…This paper addresses theoretically generating the chaotic signals by using semiconductor laser diode of 1550 nm with optical feedback. The performance of a semiconductor laser subjected to a delay optical feedback was investigated using rate equations that describe the temporal variation of photon density, carrier density, and the phase of the lasing field. …”
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Design of photoacoustic microscope system based on labVIEW platform by Bai Yang, Zhang Chuncheng, Zeng Lvming, Liu Guodong

“…A photoacoustic microscope system based on virtual instrument development environment is presented, including ultrasonic sensor, digital oscilloscope, laser diode, personal calculation and other hardware platforms. and developed supporting software and image reconstruction algorithms. …”
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Multi-wavelength fabry-perot brillouin-erbium fibre laser by Al-Mansoori, M.H., Adikan, Faisal Rafiq Mahamd, Naji, A.W., Abdullah, M.K., Mahdi, M.A.

“…The proposed laser cavity used only a 980 nm laser diode and a coil of Erbium-doped fibre to produce cascaded Brillouin Stokes. …”

Design And Development Of Semiconductor Based And Fiber Laser Based Optical Transmitter by Arsad, Norhana

“…This is mainly because of the compact size, weight and simplicity of modulation scheme. Laser diode is used in developing the optical transmitter and the application in the optical communication. …”
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The condition requirements for optical bistability in semiconductor laser under injection locking by A. I. Abdullah, M. S. Mohammed

“…The required setup to provide the stability in current, temperature and power output of the laser diode used in experiments has been described in detail. …”
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