Publications associées à Laser à excimère

Experimental investigation of high-power single-pass Raman shifters in the ultraviolet with Nd:YAG and KrF lasers

Hubert van den Bergh, Bertrand Calpini, Valentin Simeonov, Valentin Mitev, Laurent De Schoulepnikoff

Single-pass Raman cells pumped by either a quadrupled Nd:YAG (266-nm) laser or a KrF excimer laser are studied. The Raman-active gases comprise H2, D2, or CH4, as well as a mixt. of them, with the addn. of He, Ne, or Ar. A parametric study, in which the St ...

1997

High performance wavelength-tunable filter based on in-fiber Bragg grating and electrically resistive coating

René Salathé, Hans Georg Limberger

An all-fiber tunable filter device that uses a resistive fiber coating to directly heat an intra-core Bragg grating is presented. Bragg gratings were fabricated in a hydrogen-loaded standard telecommunication fiber by a KrF excimer laser with a fluence of ...

IEEE1997

InAsP quantum wells for low threshold and high efficiency multi-quantum well laser diodes emitting at 1..55 mu m

Elyahou Kapon, Jean-François Carlin, Alok Rudra

We report the first successful use, to our knowledge, of InAsP quantum wells for 1.55 mu m wavelength laser emission: 5 quantum well InAsP/InGaAsP horizontal cavity lasers showed 88% internal efficiency, 1.6 cm(-1) losses per well, and 33 A/cm(2) transpare ...

Ieee1997

Low Threshold 1.55 µm Wavelength InAsP/InGaAsP Strained Multi-Quantum Well Laser Diode Grown by Chemical Beam Epitaxy

Elyahou Kapon, Jean-François Carlin, Alok Rudra

By using chemical beam epitaxy at growth temperatures as low as 460-480 degrees C, we have overcome strain relaxation problems that prevented so far the successful use of InAsP quantum wells in 1.55 mu m lasers. Five quantum well InAsP/InGaAsP horizontal c ...

1997

Reliability aspects of fiber Bragg gratings - invited

René Salathé, Hans Georg Limberger

Good thermal and mechanical reliability of fiber Bragg gratings are indispensable requirements for telecommunication and sensor applications. The basic model of thermal reliability is reviewed and the lifetime of Bragg gratings in different germanosilicate ...

NPL1997

Mechanical reliability of UV irradiated fibers: application to Bragg grating fabrication - invited

René Salathé, Hans Georg Limberger

Fiber gratings irradiated by CW-laser show a breaking strength and a lifetime performance similar to that of pristine fiber, on pulsed KrF-laser irradiation. In this paper we report on the mechanical reliability of fibers irradiated by UV light using the s ...

Opt. Soc. America1997

Laser linewidth determination in the sub-Megahertz range using a Brillouin fibre laser

Luc Thévenaz, Philippe Robert

The Brillouin fibre laser has experimentally demonstrated its suitability for the measurement of laser linewidth in the 1 kHz to 500 kHz frequency range. A major advantage of this system is to be widely independent of the source wavelength by generating th ...

Telenor1996

Mechanical degradation of optical fibers induced by UV light

René Salathé, Hans Georg Limberger

The mechanical resistance of UV irradiated optical fibers has been investigated by dynamic fatigue tests. The intrinsic Weibull distribution of the pristine and chemically stripped fiber were almost identical. The high germanium doped fiber was homogeneous ...

1996

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Laser à excimère

Characterization of diamond-like carbon by Raman spectroscopy, XPS and optical constants

Experimental investigation of high-power single-pass Raman shifters in the ultraviolet with Nd:YAG and KrF lasers

High performance wavelength-tunable filter based on in-fiber Bragg grating and electrically resistive coating

InAsP quantum wells for low threshold and high efficiency multi-quantum well laser diodes emitting at 1..55 mu m

Low Threshold 1.55 µm Wavelength InAsP/InGaAsP Strained Multi-Quantum Well Laser Diode Grown by Chemical Beam Epitaxy

Reliability aspects of fiber Bragg gratings - invited

Mechanical reliability of UV irradiated fibers: application to Bragg grating fabrication - invited

Laser linewidth determination in the sub-Megahertz range using a Brillouin fibre laser

Mechanical degradation of optical fibers induced by UV light

Eye-guided laser surgery

Graph Chatbot

Chattez avec Graph Search

Characterization of diamond-like carbon by Raman spectroscopy, XPS and optical constants

Mechanical reliability of UV irradiated fibers: application to Bragg grating fabrication - invited

Eye-guided laser surgery

Low Threshold 1.55 µm Wavelength InAsP/InGaAsP Strained Multi-Quantum Well Laser Diode Grown by Chemical Beam Epitaxy

Experimental investigation of high-power single-pass Raman shifters in the ultraviolet with Nd:YAG and KrF lasers

High performance wavelength-tunable filter based on in-fiber Bragg grating and electrically resistive coating

Laser linewidth determination in the sub-Megahertz range using a Brillouin fibre laser

Reliability aspects of fiber Bragg gratings - invited

Mechanical degradation of optical fibers induced by UV light

InAsP quantum wells for low threshold and high efficiency multi-quantum well laser diodes emitting at 1..55 mu m