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laser diode coherence length

Photonics Spectra - August 2018

Photonics Spectra - August 2018

…for LIGO (Laser
Interferometer Gravitational-Wave Observatory); it is currently used as the master
laser oscillator in all working LIGO instruments. Mephisto is an Nd:YAG laser
that delivers a linewidth of ~1 kHz, far
narrower than even the best commercial laser diode or fiber…

Photonics Spectra - September 2016

Photonics Spectra - September 2016

…RALPH DELMDAHL COHERENT INC. Testing the Limits of Excimer Lasers: Annealing for Advanced Displays Tech Feature Images courtesy of Coherent Inc. High-power scaling for large format poly-Si annealing shown here with two dual-oscillator VYPER lasers, with all four beams merging into a 1300-mm length

COHR SapphireSF DS 1017 1.pdf

COHR SapphireSF DS 1017 1.pdf

CW Blue and Green Single-Frequency Lasers Sapphire SF is a series of compact CW visible single-frequency lasers based on Coherent's unique OPSL (Optically Pumped Semiconductor Laser) technology. Sapphire SF lasers come with an ultra-narrow linewidth of <1.5 MHz, a high quality diffraction-limited…

Sapphire-Advantage-Low-Noise.pdf

Sapphire-Advantage-Low-Noise.pdf

laser light that is converted to visible output by intracavity frequency doubling. Figure 1 schematically illustrates the main components of an OPSL laser such as the Coherent Sapphire. A large area VCSEL (vertical cavity surface emitting laser) type chip is pumped by one or more laser diodes. This…

VerdiFamily DS

VerdiFamily DS


Weight
Laser Head 8 kg (18 lbs.)
Power Supply 27 kg (59 lbs.) 33 kg (73 lbs.)
Length of Umbilical 3 m (10 ft.)
Diameter of Umbilical 2.15 cm (0.85 in.)
VerdiTM Family
Diode-Pumped Solid-State Lasers, High-Power CW Output at 532 nm
Coherent follows a policy of…

Vision Systems - June 2015

Vision Systems - June 2015

…relying on an average value.
Laser line width
Even in the absence of manufacturing errors,
the fact that the laser line is being focused produces variations in line width over its length,
and width variations as the distance from the
laser to the object under test changes.…

Industrial Photonics - January 2014

Industrial Photonics - January 2014

…for high-throughput, powder or wire-fed cladding applications (Figure 1). For example, a Coherent HighLight diode laser system can deliver beams up to 12 mm wide and up to 36 mm in length. Not surprisingly, laser cladding is now growing at a healthy pace and finally taking market share from thermal…

Helios Whitepaper2014.pdf

Helios Whitepaper2014.pdf

…amongst laser resonator properties
and output parameters.
In the Coherent Helios series of diode-pumped, solidstate lasers, our engineers have pushed the
miniaturization of the cavity and its components to the
very limit. The result is an effective cavity length of a

HighValueMarkingApps.pdf

HighValueMarkingApps.pdf

…HAZ. Picosecond lasers can provide far superior results that more than justify the higher cost of these lasers. Dirk Müller and Oliver Haupt Coherent Inc. E: Dirk.Mueller@Coherent.com, Oliver.Haupt@coherent.com W: www.coherent.com MATERIALS PROCESSING Coherent Rapid series lasers offer <15 ps pulses…

Biosafety Level 3 setup for multiphoton microscopy in vivo

Biosafety Level 3 setup for multiphoton microscopy in vivo

…and Methods
Multiphoton Microscope. The laser laser scanning microscope system is a commercially available integrated setup (TRiMScope, LaVision BioTec GmbH, Bielefeld, Germany). An automatic tunable Ti:Sa laser
(Chameleon Ultra II, Coherent) generating pulsed radiation in the range of…

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