KYW Crystal Options
KYW Crystal Options
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This special characteristic of ultrafast pulses allows nonlinear optical interaction with tissue at small Over-all exposure, and drives applications like deep-tissue multiphoton microscopy and superior-precision eye operation
We existing a twin-crystal Yb:KGW laserthat iscapable to work for a Q-switched oscillator with output ability up to 24 W and pulse length of 20 ns,or as being a regenerative amplifier with output energy as much as 21 W and pulse duration down below two hundred fs immediately after compression of chirped pulses. Both equally lasers have exceptional beam top quality with beam parameter M2
Colour-coded reflectivity of the Bragg mirror as a operate of wavelength and angle from the incident beam.
This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by potent linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing during amplification as well as corresponding lengthening with the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals were being utilised, With all the spectral maxima of the amplification shifted relative to each other and with spectral profiling of the amplified radiation.
Soon after air drying and subsequent cleansing by using a cotton cloth soaked in alcohol, the film surface area showed no signs of peeling or scratches.
FIG. 1. Optical format of a laser with direct pumping with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
5 mm aside from the center of your beam caustic. So that you can Test the method matching simulation, we performed the experiment with Ng-cut crystal oscillator, which was produced Beforehand As well as in a exact same condition with simulation [eleven]. As shown KYW Crystal in Determine three(b) with purple dots and line, the CW output energy is very dependent on the situation of laser crystal along with the experimental outcome coincides perfectly with simulation outcome. To be a Be aware, multimode Procedure happened in experiment when the measurement with the pump beam is bigger than TEM00 cavity method and it will cause greater CW output electricity during the displacement location below 3.5 mm.
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW because of the identical measurements of those chemical aspects as much as one hundred% of Yb-doping can be achieved.
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Request RP Photonics for virtually any suggestions about tungstate lasers, together with femtosecond lasers and substantial-power lasers.