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Helium Neon Lasers

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…generations and mixing yields a range of wavelengths that can cover 200 nm to 20 µm.
Common laser types
For many years, the most common CW laser was the helium neon laser, or HeNe. These low-power lasers (a few milliwatts) use an electric discharge to create
a low-pressure plasma in a…

Ted Haensch  Sharing His Unique Perspective on Lasers

Ted Haensch Sharing His Unique Perspective on Lasers

…wellknown to many in the laser community because of your work stabilizing nanosecond dye lasers at Stanford - "The Haensch-type dye laser". TH: After I finished my PhD at Heidelberg, where I had studied nonlinear effects in high resolution spectroscopy with helium neon lasers, I secured a NATO…

Laser Focus World - January 2018

Laser Focus World - January 2018

…any high-power laser must be actively cooled, whereas many low-power lasers get by with passive cooling via either some sort of heat sink or just natural airflow (picture, for example, a lowly helium-neon laser resting in a lab mount with no obvious cooling mechanism in sight). Laser diodes (LDs)…

EU Photonics Talk Nobel Laureate Haensch.pdf

EU Photonics Talk Nobel Laureate Haensch.pdf

…wellknown to many in the laser community because of your work stabilizing nanosecond dye lasers at Stanford - "The Haensch-type dye laser". TH: After I finished my PhD at Heidelberg, where I had studied nonlinear effects in high resolution spectroscopy with helium neon lasers, I secured a NATO…

COHR ExcimerCatalog2019.pdf

COHR ExcimerCatalog2019.pdf

Helium
Halogen
Neon
Rare Gas
Helium
Where to Buy Excimer Gases
and Gas Installation Equipment
The gas concentrations, mixtures, and puities are specified
for each laser model and each laser wavelength and are
listed in the user manual.
Excimer laser

Coherent Whitepaper - Astrella Tisch Sphere FINAL.pdf

Coherent Whitepaper - Astrella Tisch Sphere FINAL.pdf

…amplifier is focused by
a lens (f=1 m) into a 250 m inner-diameter, differentially-pumped hollow core fiber, pressurized with either neon or helium gas. The
pulse energy from the Astrella was controlled over the range 0-7 mJ with a waveplate-polarizer combination (not shown). The

COHR Femtosecond Amplifier Provides Turnkey Access to Extreme Operating Regimes WP.pdf

COHR Femtosecond Amplifier Provides Turnkey Access to Extreme Operating Regimes WP.pdf


is focused by a lens (f=1 m) into a 250 m inner-diameter, differentially-pumped hollow core fiber, pressurized with
either neon or helium gas. The pulse energy from the Astrella is controlled over the range 0-7 mJ with a waveplatepolarizer combination (not shown). The spectrally-broadened…

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