Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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We existing a twin-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output ability as many as 24 W and pulse length of twenty ns,or like a regenerative amplifier with output energy nearly 21 W and pulse length beneath two hundred fs soon after compression of chirped pulses. Each lasers have fantastic beam good quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Screen robust peaks at 980 nm and 1030 nm, respectively, ensuring economical Electricity conversion and substantial efficiency in laser systems.
Optical structure of a laser with direct pumping With all the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output in the radiation, WP is often a 50 %-wave plate, CL is really a collimating lens, FL can be a concentrating lens, AE is definitely an Energetic factor constructed from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC will be the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
Adhesion Exam Compliant with MIL-C-675C military standards, an adhesion test associated making use of a tape that fulfills LT-90 technical specs onto the lens film layer. The tape was affixed absolutely after which you can taken off vertically. This treatment was performed thrice, leading to no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical functions owing to your existence of thulium ions, and so the resources could possibly be additional examined from the scope of laser and luminescence programs.
A higher brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be extremely higher without important quenching as the replaced ions have an incredibly identical ion radius, as well as the inter-ion distance is fairly large.
Large-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
Although ytterbium-doped laser acquire media usually exhibit a small quantum defect, ytterbium-doped tungstates permit for specifically tiny values. By way of example, a 1030-nm Yb:YAG laser would Generally be pumped all around 940 nm, While Yb:KGW or Yb:KYW might be most effectively pumped around 981 nm.
This tandem of characteristics has far-reaching implications, significantly in the construction of more info compact nevertheless powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is usually a remarkable material that plays a very important purpose in laser know-how. Its Major function should be to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Simultaneously, a shorter laser wavelength may be attained; it can be done to function with a quantum defect perfectly under one%. Being a consequence, the warmth era is usually so modest this partly compensates the reduce thermal conductivity.