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Bragg Grating

EU LASER Interview R Waldermann english.pdf

EU LASER Interview R Waldermann english.pdf

…modularity which will simplify their operation.
We also support numerous other industrial and research applications,
including Fiber Bragg Grating (FBG)
writing and Pulsed Laser Deposition
(PLD). The latter is a unique method
for producing high quality thin films,
which…

Photonics Spectra - August 2018

Photonics Spectra - August 2018

…embedded Yb ions,
which re-emit with nearly 100 percent
quantum yield.
Here, they use a laser diode controlled
by a fiber Bragg grating (FBG) tuned so
that the narrowband excitation light is
red-shifted from the absorption line center. The long excited-state lifetime of…

Microsoft Word - VHG-FAC Paper 07-01-05 .doc

Microsoft Word - VHG-FAC Paper 07-01-05 .doc

…of the application.
REFERENCES
1. P. Mills et al., "Single mode operation of 1.55 mm semiconductor lasers using a volume holographic grating,"
Electronics Letters, 21:15, 1985.
2. US pat. 5,691,989, G. Rakuljic et al., 1997.
3. B.L. Volodin et. al., Wavelength Stabilization…

Europhotonics - Summer 2017

Europhotonics - Summer 2017

…by Coherent/Rofin. The
laser resonator is formed by a large mode
area (LMA), Yb-doped, double-clad optical fiber and fiber Bragg gratings (FBG)
for resonator mirrors. This is pumped
from each end by a series of diode laser
pump modules, whose outputs are fibercoupled…

Laser Focus World - January 2015

Laser Focus World - January 2015

75
Laser Focus World www.laserfocusworld.com January 2015
the volume Bragg gratings that narrow
the spectral line of the diode laser to a
range that is useful for the particular application, custom package design that
permits tunability of the spectral line
emitted from…

High Power Fiber Lasers for Welding  COHR Rofin whitepaper.pdf

High Power Fiber Lasers for Welding COHR Rofin whitepaper.pdf

…employed by
Coherent | Rofin. The laser resonator is formed by a large mode area (LMA), Yb-doped,
double clad optical fiber and fiber Bragg gratings for resonator mirrors. This is pumped
from each end by a series of diode laser pump modules, whose outputs are fiber coupled
into…

an rep 2018 workfile 02

an rep 2018 workfile 02

…volume in one of our ISO 13485
certified plants. In addition, many of the fiber components offered in the broader market, such as Fiber
Bragg Gratings and Fiber Combiners, have Coherent fiber in them.
Gas lasers (CO, CO2
, Excimer, Ion)
The breadth of our gas laser portfolio…

Compact Single Mode Tunable Laser Using a Digital Micromirror Device.pdf

Compact Single Mode Tunable Laser Using a Digital Micromirror Device.pdf

…Moser, and F. Havermeyer, "Volume holographic grating wavelength stabilized laser diodes," IEEE J. Sel. Top. Quant. 13(3), 672-678 (2007). 16. O. M. Efimov, L. B. Glebov, L. N. Glebova, K. C. Richardson, and V. I. Smirnov, "High-efficiency bragg gratings in photothermorefractive glass," Appl. Opt.…

Microsoft Word - 5694-20 submitted.doc

Microsoft Word - 5694-20 submitted.doc

Bragg matching
condition. In the wave-vector space (K-sphere) diagram, this means kP
, KG
, and kD
form a closed triangle as shown in
Figure 1. We call the quantity kz
the Bragg mismatch factor, which can be caused by angular or wavelength detuning
from the Bragg

Fabrication and applications of holographic optical filters

Fabrication and applications of holographic optical filters

…normal to the VHG, a misalignment of the VHG (i.e a change in the grating vector direction) by several degrees is automatically compensated by a different cone direction. For a typical VHG with a thickness of 0.5 mm and Bragg wavelength of 405 nm, the FWHM angle selectivity is a cone subtending…

PowerLocker-Datasheet.pdf

PowerLocker-Datasheet.pdf

…Wavelength Variation (within filter) nm 0.2 Bandwidth2 (FWHM) nm 0.03 1 Temperature Dependence nm/°C 0.01 Bragg mirror Reflectivity % 5 10-98 >99.9 Reflectivity Tolerance1 % -5 +5 Grating Slant Angle Degrees <1 custom available Standard Dimensions (X,Y) mm 0.5 25 Thickness mm 0.3 0.6-3 30 1 Standard…