KYW Crystal Options
KYW Crystal Options
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This one of a kind characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at small General exposure, and drives apps for example deep-tissue multiphoton microscopy and substantial-precision eye operation
We current a dual-crystal Yb:KGW laserthat iscapable to function like a Q-switched oscillator with output energy up to 24 W and pulse size of 20 ns,or for a regenerative amplifier with output electrical power as many as 21 W and pulse duration down below 200 fs right 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 sturdy peaks at 980 nm and 1030 nm, respectively, guaranteeing successful energy conversion and large effectiveness in laser units.
Optical layout of a laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output in the radiation, WP is a 50 percent-wave plate, CL is a collimating lens, FL is often a concentrating lens, AE is surely an Lively element produced from an Yb:KYW crystal, DM can be a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC is definitely the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Exam Compliant with MIL-C-675C army specifications, an adhesion check concerned applying a tape that meets LT-90 specs onto the lens film layer. The tape was affixed click here completely and afterwards eradicated vertically. This procedure was carried out thrice, causing no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical attributes owing on the presence of thulium ions, and for that reason the elements may very well be further more analyzed in the scope of laser and luminescence purposes.
Spatial structure with the beam as well as the corresponding depth profiles I in the output of the laser.
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW mainly because of the equivalent sizes of such chemical aspects around 100% of Yb-doping can be reached.
The thermal conductivity of widespread double tungstates is from the get to 3–four W/(K m) �?which isn't negative as opposed with other laser crystals (Despite the fact that several moments less than for YAG), and relatively significant in contrast Along with the thermal conductivity of standard Eyeglasses.
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