KYW Crystal Secrets
KYW Crystal Secrets
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The get bandwidth e.g. of Yb:KGW and Yb:KYW is extremely large in contrast with that of Yb:YAG. This allows for broad wavelength tunability and for Significantly shorter pulse durations from manner-locked lasers. Values well under 100 fs happen to be reached with passive mode locking.
This special attribute of ultrafast pulses enables nonlinear optical interaction with tissue at lower overall exposure, and drives programs which include deep-tissue multiphoton microscopy and higher-precision eye operation
We current a dual-crystal Yb:KGW laserthat iscapable to work for a Q-switched oscillator with output electricity around 24 W and pulse duration of 20 ns,or as a regenerative amplifier with output electric power as many as 21 W and pulse duration down below 200 fs after compression of chirped pulses. Both equally lasers have exceptional beam high quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Screen solid peaks at 980 nm and 1030 nm, respectively, making sure economical energy conversion and higher performance in laser systems.
Optical layout of the laser with direct pumping Along with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output from the radiation, WP is usually a fifty percent-wave plate, CL is a collimating lens, FL is often a focusing lens, AE is really an active factor comprised of an Yb:KYW crystal, DM is actually a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC is the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
Adhesion Check Compliant with MIL-C-675C navy KYW Crystal benchmarks, an adhesion test concerned applying a tape that satisfies LT-ninety requirements onto the lens movie layer. The tape was affixed thoroughly and after that removed vertically. This technique was done three times, causing no blistering or peeling.
Raman, luminescence and transmission spectra expose optical options owing to the presence of thulium ions, and so the elements can be more analyzed while in the scope of laser and luminescence programs.
A substantial brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser
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High-electricity repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
Though ytterbium-doped laser gain media generally show a little quantum defect, ytterbium-doped tungstates allow for for significantly small values. For example, a 1030-nm Yb:YAG laser would normally be pumped around 940 nm, Whilst Yb:KGW or Yb:KYW may very well be most proficiently pumped close to 981 nm.
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Question RP Photonics for any information regarding tungstate lasers, including femtosecond lasers and substantial-ability lasers.