Add-on: OPA, SHG, THG, MIR
Addon OPA & MIR: Frequency combs in the molecular finger-print region have enabled applications in metrology, spectroscopy and medicine. All these applications benefit from higher average powers that allow for faster acquisition rates and an improved signal-to-noise ratio. This extension complements the compact 50fs-thulium-doped ultrafast fiber laser system and provides a high-power frequency comb in the mid-IR.
The ultrafast mid-IR pulses are achieved through intra-pulse difference-frequency generation, which guarantees passive carrier-envelope-offset stability. The complete frequency-comb nature of the source can be achieved by controlling and stabilizing the fundamental pulse-repetition frequency of the driving laser.
Addon SHG, THG & FHG: Many applications benefit from central wavelengths in the VIS or UV range. AFS offers fully integrated frequency conversion modules from 1030nm to 515nm, 343nm or even 258nm (on request). The conversion efficiency depends on the pulse duration of the driving laser. We offer also fourth-harmonic generation upon request.
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|MID-IR ADD-ON FOR 2-µm SYSTEMS|
|Central wavelength||5 µm - 18 µm (tunable)|
|Pulse repetition rate||20 MHz (others on request)|
|Average power||up to 100 mW|
|Beam quality||Close to diffraction-limited, M2 < 1.3|
|Average-power stability||< 1 % RMS|
|Pulse-energy stability||< 1 % RMS|
|Beam pointing||< 10 µrad RMS|
|Addional features||Turnkey reliability, temperature-stabilized and dust-sealed housing|