KYW Crystal Options
KYW Crystal Options
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very large in comparison with that of Yb:YAG. This permits for wide wavelength tunability and for A lot shorter pulse durations from method-locked lasers. Values properly beneath 100 fs happen to be achieved with passive method locking.
This exceptional characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at reduced General exposure, and drives purposes like deep-tissue multiphoton microscopy and higher-precision eye surgery
We existing a twin-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output electrical power approximately 24 W and pulse size of 20 ns,or like a regenerative amplifier with output electrical power around 21 W and pulse duration below two hundred fs just after compression of chirped pulses. Both equally lasers have fantastic beam high-quality with beam parameter M2
Shade-coded reflectivity of the Bragg mirror to be a function of wavelength and angle in the incident beam.
Optical layout of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is a 50 percent-wave plate, CL is actually a collimating lens, FL is actually a concentrating lens, AE is surely an Lively element made out of an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC is the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
Adhesion Test Compliant with MIL-C-675C navy criteria, an adhesion test involved applying a tape that meets LT-90 specifications onto the lens movie layer. The tape was affixed fully and after that eliminated vertically. This technique was executed thrice, leading to no blistering or peeling.
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A high brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
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Nevertheless, after Nd3+:YAG turned commercially accessible, the curiosity in CaWO4 dropped sharply. In later on decades, selected other tungstate crystals began to bring in a lot of interest.
The thermal conductivity of widespread double tungstates is of your buy to three–4 W/(K m) �?which isn't negative as opposed with other laser crystals (Despite the fact that a number of periods lower than for YAG), and rather huge as opposed With all the thermal conductivity of regular Eyeglasses.
Li2WO4-WO3 flux was productively used reducing the growth temperature down below 900 oC. Based on solitary crystal x-ray measurements, the crystal corresponds on the P2/n House team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is often a amazing content that plays an essential role in laser technologies. Its primary purpose is usually to create ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Ask RP Photonics for virtually any suggestions about tungstate lasers, like check here femtosecond lasers and higher-electric power lasers.