Results 51 to 60 of about 256,237 (204)

Optical power model of a laser bar diode [PDF]

, 2018
This article proposes a modelling method for laser diodes optical output power including its dependency on temperature. The device used for this study is a 40 W Monocrom's diode, with 808 nm wavelength emitted light and with a 19 emitters CS mount laser ...
Borràs Cristòfol, Ramon, Juliachs, Jordi, Oriach, Carles, Río Fernandez, Joaquín del   +3 more
core   +1 more source

Status and development direction of key technologies of gas telemetry

Gong-kuang zidonghua, 2017
Application status of key technologies of gas telemetry based on tunable diode laser absorption spectroscopy were introduced including tunable diode laser technology, signal noise reduction technology and trace gas detection technology.
HUO Yuehua, FAN Weiqiang, SUN Yanyu
doaj   +1 more source

Measurements of the indium hyperfine structure in an atmospheric-pressure flame by use of diode-laser-induced fluorescence [PDF]

, 2004
We report on what we believe is the first demonstration of laser-induced fluorescence (LIF) in flames by use of diode lasers. Indium atoms seeded into an atmospheric-pressure flame at trace concentrations are excited by a blue GaN laser operating near ...
Burns, I.S., Hult, J., Kaminski, C.F.
core   +1 more source

Thermal compensator for closed-cycle helium refrigerator [PDF]

, 1979
The wave length of an infrared, semiconductor laser diode having an output frequency that is dependent on the diode temperature is maintained substantially constant by maintaining the diode temperature constant.
Hillman, J. J., Jennings, D. E.
core   +1 more source

Cover slip external cavity diode laser

, 2007
The design of a 671 nm diode laser with a mode-hop-free tuning range of 40 GHz is described. This long tuning range is achieved by simultaneously ramping the external cavity length with the laser injection current.
Carr, Adra V., Cronin, Alexander D., Lonij, Vincent P. A., Perreault, John D., Sechrest, Yancey H., Waitukaitis, Scott R.   +5 more
core   +1 more source

Efficacy of Nd:YAG and diode laser transscleral cyclophotocoagulation in the management of neovascular glaucoma associated with proliferative diabetic retinopathy

Journal of Ophthalmology
Background: Transscleral cyclophotocoagulation (TSCPC) is most commonly used in patients with neovascular glaucoma (NVG) associated with proliferative diabetic retinopathy (PDR) in whom maximal hypotensive medications have failed to reduce intraocular ...
O.V. Guzun, O.S. Zadorozhnyy, I.O. Nasinnyk, W. Chargui, Y. Oueslati, A.R. Korol   +5 more
doaj   +1 more source

Investigation of the characteristics of a semiconductor laser diode as a transceiver for fiber Bragg gratings interrogation

Научно-технический вестник информационных технологий, механики и оптики
The paper presents the results of an experimental study of the possibility of using a narrow-band semiconductor distributed feedback laser diode used as a source and detector of optical radiation to detect the spectral response from a fiber Bragg grating.
V. S. Oshlakov, A. S. Aleinik, S. A. Volkovskiy, D. S. Smirnov   +3 more
doaj   +1 more source

Laser Induced Damage Studies on Al2O3, SiO2, and MgF2 Thin Films for Anti-Reflection Coating Application in High Power Laser Diode [PDF]

Журнал нано- та електронної фізики, 2013
The laser diode facet damage is one of the impeding factors of the high-power laser diode operation. To overcome this restriction laser diode facet coating can be utilized.
C.J. Panchal, M.S. Desai, A.L. Patel, G.G. Bhatt   +3 more
doaj  

Deterministic polarization chaos from a laser diode

, 2013
Fifty years after the invention of the laser diode and fourty years after the report of the butterfly effect - i.e. the unpredictability of deterministic chaos, it is said that a laser diode behaves like a damped nonlinear oscillator.
A Argyris, A Garfinkel, A Provenzale, A Scirè, A Uchida, A Wolf, AA Andronov, B Nagler, C Bracikowski, CO Weiss, D Rontani, DS Coffey, EN Lorenz, F Albert, F Hopfer, F Meier, FT Arecchi, GD VanWiggeren, GD VanWiggeren, H Haken, H Kawaguchi, H Poincaré, HDI Abarbanel, Hugo Thienpont, I Kanter, I Kanter, J Martin-Regalado, J Renaudier, JR Tredicce, K Fraedrich, K Kubodera, K Otsuka, Krassimir Panajotov, L Larger, L Olejniczak, LR Rabiner, M San Miguel, M Sciamanna, M Sondermann, Marc Sciamanna, Martin Virte, MB Willemsen, N Oliver, NC Gerhardt, P Grassberger, S Hovel, S Steingrube, SF Yu, SH Strogatz, T Adachi, T Mukai, T Yamada, T-Y Li, TB Simpson   +53 more
core   +3 more sources

A low‐noise high‐speed diode laser current controller [PDF]

, 1993
We describe a new diode laser current controller which features low current noise, excellent dc stability, and the capacity for high‐speed modulation.
Hall, J. L., Libbrecht, K. G.
core   +1 more source