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Gas Mixture

Comparative-study-of-in-situ-N2-rotational-Raman-spectroscopy-methods-for-probing-energy-thermalisation-processes-during-spin-exchange-optical-pumping.pdf

Comparative-study-of-in-situ-N2-rotational-Raman-spectroscopy-methods-for-probing-energy-thermalisation-processes-during-spin-exchange-optical-pumping.pdf

…full-width half maximum (FWHM)
laser light with a 4He/N2
gas mixture [18]. Walter et al.
concluded that probing the outer surface temperature of the
OP cell was often a poor indicator of the actual internal gas
temperature compared to Raman measurements, given that
the…

Bio Photonics - February/March 2018

Bio Photonics - February/March 2018

…CO
2
laser, CO lasers
had been largely restricted to laboratory
applications because of the need to refresh
the gas mixture and the requirement for
cryogenic cooling.
Applications scientists at Art Photonics
in Berlin have been following up on earlier…

COHR THzSpectroscopyBrochure 0219 2.pdf

COHR THzSpectroscopyBrochure 0219 2.pdf

…a mixture of
Caffeine and 2-Benzoic acid.
Gas Sensing
Rotational modes of many gases can be clearly seen
in the THz-Raman region. Signal intensities can be up
to 10x those in the fingerprint region, opening up the
possibility of using Raman for extremely sensitive gas

Excimer laser technology trends

Excimer laser technology trends

…removed by a cryostatic gas purifier. Some of the
cleaned gas is used to flush the windows of the laser tube in
order to prevent the deposition of impurities.
A further gas lifetime increasing measure is to add
additional halogen gas to the laser gas mixture when the laser

00 E-400 E-1000 Series Preinstall.book

00 E-400 E-1000 Series Preinstall.book

…from the laser system; consists of a mixture of
distilled (or de-ionized) water and corrosion inhibitor
No
Corrosion inhibitor
Amount
varies
Prevents corrosion of metal parts in contact with
the coolant
No
Purge Gas
(Regulated Supply)
1

MetaBEAM1000c Pre.book

MetaBEAM1000c Pre.book

…is provided.
Nitrogen Assist
Gas System
The LMT requires nitrogen to protect the cutting lens and assist in
the cutting process. The assist gas connection to the LMT is a 3/8"
flexible tube. The pressure set point of the assist gas must be
5.52 bar (80 PSI) and must…

00 E-1000 PreInst.book

00 E-1000 PreInst.book

Gas
[ ] N2 or filters installed to provide clean, dry air
[ ] Shut-off valve installed (optional, recommended)
[ ] Output fitting installed to accept 1/4" OD tubing
[ ] Clean, flexible 1/4" OD tubing to connect purge gas
supply to laser head
"Laser System Purge Gas" on…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…the perfect
alignment of the resonator mirrors.
Pulsed lasers
Some materials - like excited dimers (or "excimers") of a noble gas with a halogen, such as ArF and XeCl - sustain laser action for only a brief period of
several nanoseconds. Other lasers, like Nd or Yb diode-pumped…

34706a cover.indd

34706a cover.indd

…our leading-edge innovations. These have included ultrafast lasers,
DPSS lasers, continuous-wave (``CW'') systems, excimer gas lasers and water-cooled ion gas lasers. Our
portfolio of lasers that address the scientific research market is broad and includes our Chameleon,
COMPexPro,…

Coherent

Coherent

…our leading-edge innovations. These have included ultrafast lasers,
DPSS lasers, continuous-wave (``CW'') systems, excimer gas lasers and water-cooled ion gas lasers. Our
portfolio of lasers that address the scientific research market is broad and includes our Chameleon,
COMPexPro,…

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