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Second harmonic generator

 Second harmonic generator

 Second harmonic generator

Model: ASG

l   High conversion efficiency

l   Small walk-off angle

l   Low beam divergence

l   No heating

Second harmonic generators ASG800, ASG800-B and ASG1250 are developed for producing the coherent radiation at doubling frequency for femtosecond oscillator sources having output wavelength range at 800 nm (TiSa lasers) and 1.25 um (CrF lasers). Principles of operation are based on second harmonic generation technique and provides stable radiation with good beam quality and  small pulse broadening in fs scale.

 

ASG800

ASG800-B*

ASG1250

Input wavelength, nm

710 - 960

800

1250

Output wavelength range, nm

355 - 480

400

625

Input pulse width, fs

> 20

Input polarization

linear-horizontal

Input average power, mW

> 300

> 250

Conversion efficiency

> 22%

> 35%

> 30%

Temporal broadening, fs

< 100

< 60

< 60

Output polarization

linear-vertical

Dimensions, mm

280x140x186

300x300x186

280x130x186

* - with additional optomechanical parts allowing negative GVD precompensation of the input pulse.

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