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Hollow Fiber

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

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

…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 output from the hollow core fiber is re-collimated by a

Coherent Whitepaper - Astrella Tisch Sphere FINAL.pdf

Coherent Whitepaper - Astrella Tisch Sphere FINAL.pdf

…of the hollow fiber capillary to maintain a
pressure gradient along the fiber through differential pumping and keep a vacuum at the
entrance. This reduces plasma formation at the fiber entrance where the laser intensity is
highest. (In a statically gas-filled hollow fiber, plasma…

EU Photonics Talk Nobel Laureate Haensch.pdf

EU Photonics Talk Nobel Laureate Haensch.pdf


light continuum with hollow core fibers,
initially called "holey fibers," but now
often called photonic crystal fibers. Our
group was then in a bit of a race with
the team of John Hall in Boulder to get
our hands on this type of fiber in order
to generate these…

Laser Focus World - May 2015

Laser Focus World - May 2015


Supercontinuum generation
Supercontinuum light sources combine an ultrafast laser (usually a fiber laser) with an optical fiber, which could be a microstructured or photonic-crystal fiber (PCF), with a very small
core diameter to intentionally cause nonlinear optical effects
that…

Ted Haensch  Sharing His Unique Perspective on Lasers

Ted Haensch Sharing His Unique Perspective on Lasers


light continuum with hollow core fibers,
initially called "holey fibers," but now
often called photonic crystal fibers. Our
group was then in a bit of a race with
the team of John Hall in Boulder to get
our hands on this type of fiber in order
to generate these…

COHR WhitePaper template 10 22 2018

COHR WhitePaper template 10 22 2018

…To this end, Kambhampati and graduate student Hélène Seiler decided to
investigate the use of a hollow core fiber to generate the requisite white light continuum.
A hollow core fiber is a narrow glass or quartz capillary that acts as a waveguide. In this case, it is
filled with an…

Europhotonics - Autumn 2017

Europhotonics - Autumn 2017

…routinely, corresponding to around 10 cycles of the electric field for visible light. And with novel pulse compression schemes, such as using hollow core fibers, even "single cycle" pulses in the 3- to 5-fs range can be achieved. Because of the high intensity of the light that can be reached for…

High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and Its Use in Optically Pumping Singlet Delta Oxygen.pdf

High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and Its Use in Optically Pumping Singlet Delta Oxygen.pdf

…while others do not. To evaluate overall spectral quality of the ECDLA, an
integrating sphere was used to collect all the light and an optical fiber couples the integrating
sphere output into an optical spectrum analyzer (OSA). The OSA measures the spectrum as
shown in Fig. 2(a).