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diffraction grating

Quotation KML QGYYMMDD G  Institute Contact

Quotation KML QGYYMMDD G Institute Contact

…13.5 nm
VBS (2X) ~70% each
Zirconium filters (2X)
18% (200 nm)
16% (200 nm)
Toroidal refocusing mirror ~70%
Diffraction grating (+1 order) ~28%
Total beamline throughput 0.28%
Total beamline throughput
without metal filters
10%
Table 4: Beamline…

Microsoft Word -  w layout cs ohara Mar2015.docx

Microsoft Word - w layout cs ohara Mar2015.docx

www.Coherent.com I tech.sales@coherent.com I (800) 527-3786 I (408) 764-4983 2
Case Study
Cross-sectional diffraction grating, which is considered
to be difficult to achieve for complex geometries such
as sinusoidal or blaze geometry with surface treatment,
is created inside…

Laser Focus World - February 2016

Laser Focus World - February 2016

…This is usually accomplished by
directing the output of an excimer laser
through a phase mask (essentially a diffraction grating; see Fig. 1). The phase
mask diffracts the incident laser light into
various orders, which overlap and optically interfere with each other in the mask…

2016-Ultrafast-Laser-Systems-Catalog.pdf

2016-Ultrafast-Laser-Systems-Catalog.pdf

…signal, which results in an autocorrelation of the temporal intensity profile. In picosecond
operation one mirror is replaced with a diffraction grating for additional wavefront tilt. In both operations the
autocorrelation signal is detected by a CCD array and is
Key Advantages

COHR RLScatalog 2017revA web.pdf

COHR RLScatalog 2017revA web.pdf

…signal, which results in an autocorrelation of the temporal intensity profile. In picosecond
operation one mirror is replaced with a diffraction grating for additional wavefront tilt. In both operations the
autocorrelation signal is detected by a CCD array and is
Key Advantages

COHR WP Ablation of BioPolymers 193nm.pdf

COHR WP Ablation of BioPolymers 193nm.pdf

…beam milling and laser ablation
processing. And, there are literature reports regarding the successful creation of optical structures,
including waveguides and diffraction gratings.
Figure 1. The laser beam delivery system used in this ablation study with the 193nm excimer laser.

EU Photonics Talk Nobel Laureate Haensch.pdf

EU Photonics Talk Nobel Laureate Haensch.pdf

…the diffraction grating that acted as a wavelength filter. I often carried a small monocular (telescope) for visualizing distant objects, and it occurred to me to use this to expand the beam over a much larger area of the grating. I also inserted a Fabry-Pérot etalon in front of the grating, and the…

Ted Haensch  Sharing His Unique Perspective on Lasers

Ted Haensch Sharing His Unique Perspective on Lasers

…the diffraction grating that acted as a wavelength filter. I often carried a small monocular (telescope) for visualizing distant objects, and it occurred to me to use this to expand the beam over a much larger area of the grating. I also inserted a Fabry-Pérot etalon in front of the grating, and the…

Laser Focus World - November 2017

Laser Focus World - November 2017


for photolithography. In particular, 193
nm excimer lasers enable circuit pattern
features down to 10 nm, which is far below the diffraction limit. Achieving this
necessitated the development of highly
specialized excimers with grating-controlled line narrowing to minimize…

Conference FBG Cohr in Goe 0916.pdf

Conference FBG Cohr in Goe 0916.pdf

…few thousand
excimer laser pulses are typically applied, in order to
achieve sufficient grating reflectivity with the number of
pulses depending on the dopant level.
Fig. 5 Grating transmission as a function of pulse number.
4.2 Accuracy of the FBG center wavelength

2011-Diode-Laser-Modules-and-Pattern-Generators-Catalog.pdf

2011-Diode-Laser-Modules-and-Pattern-Generators-Catalog.pdf

…splitting option.
The angle between each beam is operating wavelength dependent and can be found via the grating formula:
d sin q=n l (d=period in um, q angle in degrees, n = diffraction order, 0, +/-1, +/- 2, ....)
2 Beams3 (µm) 3.33, 7.77, 26.3, 338.6
3 Beams (µm) 3.33, 7.77,…

Lasers-for-Life-Sciences-Product-Guide FORMFIRST.pdf

Lasers-for-Life-Sciences-Product-Guide FORMFIRST.pdf

…splitting option.
The angle between each beam is operating wavelength dependent and can be found via the grating formula:
d sin q=n l (d=period in um, q angle in degrees, n = diffraction order, 0, +/-1, +/- 2, ....)
2 Beams3 (µm) 3.33, 7.77, 26.3, 338.6
3 Beams (µm) 3.33, 7.77,…

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