An Unbiased View of KYW Crystal

An Unbiased View of KYW Crystal

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We present a dual-crystal Yb:KGW laserthat iscapable to operate as a Q-switched oscillator with output power as much as 24 W and pulse length of 20 ns,or as a regenerative amplifier with output power up to 21 W and pulse period down below two hundred fs immediately after compression of chirped pulses. Both equally lasers have great beam good quality with beam parameter M2

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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 having fiber output. To circumvent spectral narrowing all through amplification plus the corresponding lengthening on the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals were being made use of, While using the spectral maxima on the amplification shifted relative to each other and with spectral profiling on the amplified radiation.

Adhesion Test Compliant with MIL-C-675C navy criteria, an adhesion exam involved applying a tape that meets LT-ninety technical specs on to the lens movie layer. The tape was affixed absolutely and after that taken out vertically. This method was performed thrice, leading to no blistering or peeling.

Raman, more info luminescence and transmission spectra expose optical capabilities owing to your presence of thulium ions, and so the components might be additional examined from the scope of laser and luminescence programs.

Tungstates tend to possess high Raman coefficients (�?Raman scattering). Therefore, they can produce important Raman obtain at moderate optical intensities. It can be done to make use of the laser crystal itself for a Raman converter.

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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW mainly because of the equivalent dimensions of these chemical features around a hundred% of Yb-doping could possibly be obtained.

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Simultaneously, a shorter laser wavelength may be received; it is possible to function with a quantum defect properly below 1%. For a consequence, the heat era can be so smaller that this partly compensates the decrease thermal conductivity.