Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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This exceptional attribute of ultrafast pulses enables nonlinear optical interaction with tissue at low In general exposure, and drives purposes like deep-tissue multiphoton microscopy and higher-precision eye surgery
We present a dual-crystal Yb:KGW laserthat iscapable to operate as being a Q-switched oscillator with output electrical power around 24 W and pulse size of twenty ns,or to be a regenerative amplifier with output power nearly 21 W and pulse period down below two hundred fs immediately after compression of chirped pulses. Equally lasers have exceptional beam top quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Show robust peaks at 980 nm and 1030 nm, respectively, making certain productive Strength conversion and high overall performance in laser techniques.
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 from the radiation, WP is usually a fifty percent-wave plate, CL is a collimating lens, FL can be a concentrating lens, AE is surely an Energetic aspect made out of an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC is definitely the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
The monoclinic crystal buildings results in a natural birefringence, assisting to stay clear of thermally induced polarization rotation and depolarization reduction.
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five mm besides the center of your beam caustic. In an effort to Verify the manner matching simulation, we performed the experiment with Ng-Slice crystal oscillator, which was made Formerly As well as in a exact same affliction with simulation [eleven]. As proven in Determine three(b) with pink dots and line, the CW output electrical power is very depending on the posture of laser crystal as well as the experimental consequence coincides well with simulation end result. For a Take note, multimode operation occurred in experiment once the dimension on the pump beam is larger sized than TEM00 cavity manner and it results in higher CW output energy inside the read more displacement region beneath three.5 mm.
For tungstates, the ytterbium doping concentration can be quite significant without considerable quenching since the replaced ions have an exceptionally related ion radius, as well as inter-ion length is fairly substantial.
Substantial-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications
The thermal conductivity of typical double tungstates is with the order to 3–four W/(K m) �?which isn't poor compared with other laser crystals (Despite the fact that quite a few occasions a lot less than for YAG), and fairly massive compared With all the thermal conductivity of normal Eyeglasses.
Li2WO4-WO3 flux was effectively utilized reducing the growth temperature under 900 oC. According to single crystal x-ray measurements, the crystal corresponds on the P2/n space group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is a remarkable material that performs a significant position in laser technological innovation. Its Principal function is to deliver ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
Check with RP Photonics for just about any assistance about tungstate lasers, which includes femtosecond lasers and superior-electricity lasers.