Zobrazeno 1 - 10
of 11
pro vyhledávání: '"77"'
Autor:
R.J. Menna, M. J. Yang, A.R. Sugg, Donna W. Stokes, Linda J. Olafsen, William W. Bewley, Edward H. Aifer, Gregory H. Olsen, Ramon U. Martinelli, M. Maiorov, Jerry R. Meyer, John C. Connolly, Hao Lee, Christopher L. Felix, I. Vurgaftman, Dmitri Z. Garbuzov
Publikováno v:
SPIE Proceedings.
Recent progress towards the realization of high-power, non- cryogenic (quasi-)cw mid-IR lasers based on the `W' configuration of the active region is reported. Type-II diodes with AlGaAsSb broadened-waveguide separate confinement regions are the firs
Autor:
Maxim E. Doroshenko, Richard Švejkar, Andrei N. Nakladov, Jan Šulc, V. V. Osiko, Helena Jelínková, Vasilii A. Konyushkin
Publikováno v:
High-Power, High-Energy, and High-Intensity Laser Technology IV.
The free-running and passive Q-switched laser properties of Er,La:SrF2-CaF2 crystal, that is appropriate for generation at 2.74 μm, are presented. The sample of Er,La:SrF2-CaF2 (composition 4 wt.% of ErF3, 12 wt.% of LaF3, 77 wt.% of CaF2, and 7 wt.
Autor:
Patrice Camy, Richard Moncorgé, S. Ricaud, Jean-Louis Doualan, Patrick Georges, Frédéric Druon, Eric Mottay, Alain Pellegrina, Dimitris N. Papadopoulos, A. Courjaud
Publikováno v:
SPIE Proceedings.
Cryogenic cooling is a very interesting and promising apparatus for high power lasers, especially with Yb-doped materials. In fact, it is now well known that operating this type of laser materials at cryogenic temperatures such as 77K (liquid nitroge
Autor:
James D. Rancourt
Conservation of energy requires an accounting of all of the energy in the incident light beam. Generally, a consideration of the reflectance and transmission intensities and of the absorption accounts for most of the incident light. In some instances
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6af32945264e1cb5347ce7edc80c8a77
https://doi.org/10.1117/3.242743.ch3
https://doi.org/10.1117/3.242743.ch3
Publikováno v:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII.
Irradiance scan measurements of the nonlinear absorption and refraction coefficients of CdTe were performed at room temperature and at 77 K and compared to the values obtained in previous experiments using a different technique.
Publikováno v:
SPIE Proceedings.
The spectroscopic detection of complex molecules, such as explosives, requires a much broader spectral tuning range of the employed laser compared to the well-established tunable diode laser spectroscopy of light molecules. In this paper we demonstra
Autor:
Aleks Rebane, Desiree Peone, Heinz Spahni, Mikhail Drobizhev, Nikolay S. Makarov, Heinz Wolleb
Publikováno v:
Nonlinear Optical Transmission and Multiphoton Processes in Organics IV.
We study one photon absorption (1PA) and two photon absorption (2PA) properties of a series of asymmetrical phthalocyanines for 2PA-based 3D optical information storage. These compounds show very large 2PA cross section. σ 2 10 3 - 10 4 GM, in near
Publikováno v:
SPIE Proceedings.
Rare-earth materials doped into low-loss silica fibers are of interest for temperature sensing applications since the absorption properties of such are temperature dependant. Such absorption properties have been studied in ytterbium doped silica fibe
Autor:
Mohammed N. Afsar, Hua Chi
Publikováno v:
SPIE Proceedings.
At higher frequencies it is not easy to find a suitable material for output window applications in a high power gyrotron. The room temperature application of sapphire as a window material at higher frequencies is not feasible since its absorption coe
Publikováno v:
Infrared Detectors: State of the Art.
Nominally identical multiple-quantum-well detectors have been fabricated on GaAs and Si substrates, and the performance of these detectors has been compared at a temperature of 77 K and a wavelength of 10.2 micrometers . The two different substrates