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Helium Neon

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…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 glass tube; nearly…

EU Photonics Talk Nobel Laureate Haensch.pdf

EU Photonics Talk Nobel Laureate Haensch.pdf

…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 post-doc position with Professor Art Schawlow at Stanford University. Fortunately, I had witnessed a dye laser being…

COHR ExcimerCatalog2019.pdf

COHR ExcimerCatalog2019.pdf


VYPER
ExciStar
IndyStar
COMPex
Premix Gas Operation
Single Gas Operation
Premix
Helium
Halogen
Neon
Rare Gas
Helium
Where to Buy Excimer Gases
and Gas Installation Equipment
The gas concentrations, mixtures, and puities are…

Book.book

Book.book

…current
ESD Electrostatic Discharge
g Gram(s) or earth's gravitational force (gravity)
GUI Graphical user interface
HeNe Helium Neon
Hz Hertz or cycles per second (frequency) (= 1/pulse period)
IR Infrared (wavelength)
I/O Input/Output
kg Kilogram(s) = 10…

Ted Haensch  Sharing His Unique Perspective on Lasers

Ted Haensch Sharing His Unique Perspective on Lasers

…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 post-doc position with Professor Art Schawlow at Stanford University. Fortunately, I had witnessed a dye laser being…

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…

COHR WhitePaper template 10 22 2018

COHR WhitePaper template 10 22 2018

…Hence there is interest in using
milder driving pulses which are easier to generate. In terms of the inert gas fill, helium can handle
the highest input power whereas neon can deliver the broadest visible continuum. Based on the
8 mJ pulse energy from the Coherent Legend, the McGill…

Laser Focus World - January 2018

Laser Focus World - January 2018

Delta T (ambient - avg. copper mounting plate) [K] Qc (W) 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 800 TE-650 700 600 500 400 300 200 100 0 COP = 0.71 0.99 0.87 0.71 0.69 0.71 0.46 TE-500 T_ amb = 25°C, U_TEM = 12V, test results T_ amb = 40°C, U_TEM = 12V, extrapolated, based on…