Top KYW Crystal Secrets
Top KYW Crystal Secrets
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This distinctive characteristic of ultrafast pulses allows nonlinear optical conversation with tissue at minimal overall exposure, and drives purposes which include deep-tissue multiphoton microscopy and significant-precision eye surgery
We existing a dual-crystal Yb:KGW laserthat iscapable to work like a Q-switched oscillator with output electric power around 24 W and pulse duration of 20 ns,or as being a regenerative amplifier with output electric power as much as 21 W and pulse period down below two hundred fs right after compression of chirped pulses. Each lasers have great beam high-quality with beam parameter M2
FIG. 4. Autocorrelation function of the heart beat 共a兲and spectrum 共b兲of the laser with an oblong active component for an output electricity of seven hundred mW. The width of
Optical format of a laser with direct pumping With all the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output from the radiation, WP is actually a 50 percent-wave plate, CL is actually a collimating lens, FL is actually a concentrating lens, AE is an Lively aspect constructed from an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 are the cavity mirrors, OC would be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
In advance of the development of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser get medium. It had been the truth is Utilized in the initial constantly running crystal laser.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are employed as lasing elements to crank out ultrashort (~ one hundred-200 fs) higher electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser methods.
Spatial composition with the beam along with the corresponding intensity profiles I within the output on the laser.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW because of the similar measurements of these chemical features approximately a hundred% of Yb-doping might be realized.
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Li2WO4-WO3 flux was effectively used decreasing The expansion temperature below 900 oC. Based on one crystal x-ray measurements, the crystal corresponds to the P2/n Place group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is really a outstanding substance that performs a significant purpose in laser technologies. Its Key functionality is always to deliver ultrashort pulses of light, spanning only a few hundred femtoseconds.
Inquire RP Photonics for any advice about tungstate lasers, including femtosecond lasers and superior-ability lasers.