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Bragg Grating

Laser Focus World - February 2016

Laser Focus World - February 2016

…Laser Focus World www.laserfocusworld.com February 2016 O P T I C S F A B R I C A T I O N Fiber Bragg grating fabrication system is automated RALPH DELMDAHL and KRISTIAN BUCHWALD While fiber Bragg grating (FBG) technology has been available for decades, commercial use of these devices, especially in…

COHR AzureNX 266 1000 DS 0618 3.pdf

COHR AzureNX 266 1000 DS 0618 3.pdf

…in commercial applications · 1 W of ultra low noise CW 266 nm · Complete hands-free operation · Compact PermAlign design and hermetically sealed · Patented single and absolute frequency stabilization APPLICATIONS · Semiconductor Inspection · Raman Spectroscopy · Fiber Bragg Grating · Lithography

High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and Its Use in Optically Pumping Singlet Delta Oxygen.pdf

High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and Its Use in Optically Pumping Singlet Delta Oxygen.pdf

…these approaches; optical feedback has low efficiency; and whether the gratings can withstand high laser intensity is questionable. The volume Bragg grating (VBG) receives many attentions recently [5]. The grating contains Bragg planes of varying index of refraction in a bulk of photosensitive…

Conference FBG Cohr in Goe 0916.pdf

Conference FBG Cohr in Goe 0916.pdf

…time over several billion pulses even under high duty-cycle conditions Keywords: excimer laser, fiber Bragg grating writing, 193 nm, optical sensors, phase mask 1. Introduction Fiber Bragg grating (FBG) technology has been in use since many decades. Commoditization of FBGs, however, has not been…

PicoPulse StretcherCompressor.pdf

PicoPulse StretcherCompressor.pdf

Bragg gratings (FBGs) in ultrafast laser systems that use chirped pulse amplification (CPA). PicoPulseTM filters are robust, solid-glass volume holographic gratings (VHGs) that enable both miniaturization and simplification of the CPA system when compared to equivalent dispersive diffraction grating

Microsoft Word - PW09 7198-38 Leisher Copyright.doc

Microsoft Word - PW09 7198-38 Leisher Copyright.doc

…utilized in the high
power diode laser arena are internal buried distributed Bragg gratings (DFBs) [4] and external volumetric Bragg gratings
(also commonly referred to as VHGs for volume holographic grating) [5-6]. VHGs are external optical components in
which a periodic variation in…

Azure-Brochure.pdf

Azure-Brochure.pdf

…come. Since
the Azure uses standard single-phase electrical
power, it can lower your utility costs. For this
reason, the Fiber Bragg Grating Industry is taking a close look at the Azure. Its high conversion
efficiency--from green to deep-UV--extends
the lifetime of the…

Self-Aligned Non-Dispersive External Cavity Tunable Laser.pdf

Self-Aligned Non-Dispersive External Cavity Tunable Laser.pdf

…holographic grating," Electron. Lett. 21, 15 pp 648-649. (1985). 6. US patent 5,691,989. 7. B. Volodin et. al "Holographic volume Bragg gratings stabilize laser diode performance," Photonic Spectra 37 , 11 pp. 68-70. (2003). 8. G. Steckman et. al. "Volume holographic grating wavelength stabilized…

Laser Focus World - November 2017

Laser Focus World - November 2017

…For example, excimer laser lift-off processes are
key to a new generation of flexible displays, and excimer-laser-produced fiber
Bragg gratings (FBGs) are vital to telecommunications, sensing, and many fiber laser designs.
Ludolf Herbst is product line manager at
Coherent…

Manuscript

Manuscript

grating diffraction combined with the
cyclical interference from the surface reflections in order to increase the accuracy when measuring uncoated
gratings. The system is capable of simultaneously measuring diffraction efficiency, loss, surface reflectivity, Bragg
angle, and grating

Ultra-narrow-band-Tunable-Laserline-Notch-Filter-1.pdf

Ultra-narrow-band-Tunable-Laserline-Notch-Filter-1.pdf


001). Grating #1 is aligned for Bragg diffraction with 1
0
and M
= 2.7deg.
Fig. 3 Schematic wave-vector diagram for a stack of six gratings. The
drawing omits all wave-vector components in the y-direction for clarity. The single input wave vector kin fulfills the Bragg

Ultra Narrow-Band Tunable Laserline Notch Filter.pdf

Ultra Narrow-Band Tunable Laserline Notch Filter.pdf


001). Grating #1 is aligned for Bragg diffraction with 1
0
and M
= 2.7deg.
Fig. 3 Schematic wave-vector diagram for a stack of six gratings. The
drawing omits all wave-vector components in the y-direction for clarity. The single input wave vector kin fulfills the Bragg