Optical surface measurements of a wavelength-tuned Fizeau interferometer based on an optical power, real-time feedback and compensation system by Qingjie Lu, Sen Han

“…However, phase errors occur owing to the inherent changes of the power of the tunable laser diode induced upon laser wavelength changes. To improve the measurement accuracy, we propose an optical power, real-time feedback control system, and a synchronous calibration scheme. …”
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A cavity ring down/cavity enhanced absorption device for measurement of ambient NO₃ and N₂O₅ by J. N. Crowley, I. Labazan, G. Schuster

“…Light from a red-emitting laser diode (≈662 nm) is coupled off-axis into an optical resonator defined by two highly reflective mirrors to achieve effective absorption paths exceeding 20 km. …”
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Pulsed laser amplification in master oscillator : power amplifier (MOPA) configuration by Seah, Ee Seng.

“…In addition, we researched in direct modulation of laser diode meant for the amplification. We constructed a Master Oscillator Pulsed Amplifier (MOPA) system and examine the effects such as nonlinearities and our eventual output signal power. …”
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Investigation on low cost light sources for WDM passive optical networks by Zaw, Oke Soe

“…Secondly, WDM-PON with injection locked Fabry-Perot laser diode (FP-LD) method is studied. Part of the CW light which carries downlink data is used for injection locking the FP-LD at ONU to achieve a single longitudinal mode. …”
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Femtosecond laser pumped by coherent polarization locked diode. by Purnawirman.

“…By designing a cavity with spatial filter, we demonstrated single mode coherently locked laser diode with maximum power of 1 W. We further scaled the power to more than 7.2 W by designing a cavity that combines multimode emissions from the emitters while compensating the smile effect by retro-reflector configuration. …”
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Characterization of long-wavelength semiconductor lasers by Fawwaz Mohd Noor

“…Quantum cascade laser (QCL) is a unipolar laser diode with intersubband transitions within heterostructural forms. …”
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Investigation of the Brillouin effect in highly nonlinear hafnium bismuth erbium doped fiber by Ahmad, Aminah, Cheng, Xiau San, Paul, Mukul Chandra, Dhar, Anirban, Das, Shyamal, Ahmad, Harith, Harun, Sulaiman Wadi

“…As the gain medium is pumped by a 980 nm laser diode at the power of 170 mW, a stable Stokes is observed at the output power of −2.96 dBm with Brillouin pump (BP) power of 3 dBm. …”

The generation of dual wavelength pulse fiber laser using fiber bragg grating by Abdul Hadi, Fatin Shaqira, Zakaria, Zahariah, Awang, Noor Azura, Azmi, Atiqah Nabieha

“…At 600 mA (27.78 dBm) of laser diode, the stability of dual wavelength pulse fiber laser appears on 1550 nm and 1560 nm with the respective peak powers of -54.03 dBm and -58.00 dBm. …”
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Investigation of the application of Nd : YAG laser welding to couple photonic devices and packaging by Mohammad, Fadhali, Zainal, Jasman, Munajat, Yusof, Ali, Jalil, Abdul Rahman, Rosly

“…In this paper we discuss some investigations and analyses of the various parameters, which contribute to increase the coupling efficiency of a laser diode to a single mode fiber-coupling using the lens coupling, which provides a coupling efficiency of about 75% at the optimum working distance. …”

Investigation of photonics devices pigtailing using laser welding technique by Fadhali, Mohamed, Toto, Saktioto, Zainal, Jasman, Munajat, Yusof, Ali, Jalil, Abdul Rahman, Rosly

“…Coupling of highly elliptical laser diode emission into single mode fiber using two spherical ball lenses is investigated and the effectiveness of the mode matching with the circular mode field of the fiber is realized. …”
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Laser microwelding for reliable packaging of photonic devices by Fadhali, Mohamed, Toto, Saktioto, Zainal, Jasman, Munajat, Yusof, Ali, Jalil, Abd Rahman, Rosly

“…Investigations and analysis of various parameters that contribute for increasing the efficiency of laser diode to single mode fiber coupling using lens coupling scheme are presented in this paper. …”
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Temperature-Insensitive Bend Sensor Using Entirely Centered Erbium Doping in the Fiber Core by Sulaiman Wadi Harun, Julian Md Samangun, Hairul Azhar Abdul-Rashid, Farah Diana Muhammad, Mohd Zamani Zulkifli, Harith Ahmad

“…Pumping the BSEDF with a conventional 980 nm laser diode gives an Amplified Spontaneous Emission (ASE) spectrum spanning from 1,510 nm to over 1,560 nm at the output power level of about −58 dBm. …”
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Effects of pumping profiles on the temperature distributions in doubleend pumped solid-state lasers: A comparison study by Hind Jawad, Mohammed AbdulRazzaq, Khalid Shibib

“…In this work, the effects of pumping profiles on the temperature distributions in solid-state lasers pumped by laser diode from two different end faces were studied. …”
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Perceptions of the Use of the Diode Laser in Dental Surgery: A Qualitative Study by Kamila Gomes Soares, Tallyta Yohana Andrade de Carvalho, Alice Machado Carvalho Santos, Lívio Barros Silveira, Lidiane Cristina Machado Costa, Maria Luiza da Matta Felisberto Fernandes, Alexandre Moreira Fernandes

“…Twelve healthy children (5-8 years old) who needed a frenectomy were selected and invited, together with their parents, to undergo laser diode surgery. In addition, 28 undergraduate  dentistry students were invited to attend the procedures. …”
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Low-temperature poly Si TFTs via BLDA for a Ne-sputtered Si film using sputtered gate SiO2 by Takashi Noguchi, Tatsuya Okada

“…Amorphous SiO2 and amorphous Si films were deposited on glass using radio frequency (RF) sputtering, and were subsequently poly-crystallized using blue-laser diode annealing (BLDA) scanned by a CW beam. Ne, which has a smaller atomic radius than Ar, was used for the sputtering of the Si film. …”
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Study the Dye Decolorization of Wastewater Using Bentonite, H2O2, Ultrasonic and Laser Techniques by A.Z. Mohammed, A. Sh. Hamadi, H.A.M. Redha

“…Using of laser as a source to refresh with high efficiency has the important in industrial field.In this study laser diode with power 50 mw, He-Ne laser with power 10 mw and DPSSL with power 500 mw were used with the help of ultrasonic bath and H2O2 to promote the work of the laser. …”
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Experimental evaluation method of curing condition and shrinkage for UV curing adhesive by Hiroaki FURUICHI

“…Furthermore assuming 3D position jointing for small Laser Diode optical system, the relationship between adhesive thickness and UV cure depth was optimized. …”
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Quality Control of High-Speed Photon Detectors by Inome Yusuke, Sunada Yuji, Choshi Yuki, Ichida Masao, Mirzoyan Razmik, Ohoka Hideyuki, Saito Takayuki, Tamura Kinji, Teshima Masahiro, Yamamoto Tokonatsu

“…This pulsed laser is composed of a simple electric circuit and a laser diode. Details of this pulsed laser and its application for quality controls of photon detectors are reported in this contribution.…”
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Mode-Locked Topological Insulator Laser Utilizing Synthetic Dimensions by Zhaoju Yang, Eran Lustig, Gal Harari, Yonatan Plotnik, Yaakov Lumer, Miguel A. Bandres, Mordechai Segev

“…Our results offer a proof-of-concept mechanism to actively mode lock a laser diode array of many lasing elements, which is otherwise extremely difficult due to the presence of many spatial modes of the array. …”
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Nested SU(2) symmetry of photonic orbital angular momentum by Shinichi Saito

“…Here, we show that the orbital angular momentum of coherent photons emitted from a laser diode can be incremented using a vortex lens, and the magnitude of orbital angular momentum increases with an increase in the topological charge inside the mode. …”
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