KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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This distinctive characteristic of ultrafast pulses allows nonlinear optical interaction with tissue at reduced General publicity, and drives programs for example deep-tissue multiphoton microscopy and higher-precision eye surgical treatment
We present a dual-crystal Yb:KGW laserthat iscapable to function to be a Q-switched oscillator with output electrical power approximately 24 W and pulse duration of twenty ns,or as a regenerative amplifier with output energy approximately 21 W and pulse period below 200 fs right after compression of chirped pulses. Equally lasers have great beam high-quality with beam parameter M2
Color-coded reflectivity of a Bragg mirror as being a function of wavelength and angle on the incident beam.
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers getting fiber output. To avoid spectral narrowing all through amplification and the corresponding lengthening of the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals have been applied, While using the spectral maxima of your amplification shifted relative to one another and with spectral profiling with the amplified radiation.
Prior to the event of Nd:YAG, Nd3+:CaWO4 was a vital unusual-earth-doped laser obtain medium. It had been in reality used in the 1st continually operating crystal laser.
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Tungstates have a tendency to possess higher Raman coefficients (�?Raman scattering). For that reason, they will generate major Raman obtain at reasonable optical intensities. It can be done to utilize the laser crystal alone to be a Raman converter.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of equivalent sizes of such chemical components as much as 100% of Yb-doping could be achieved.
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At the same time, a shorter laser wavelength might be obtained; it is achievable to work having a quantum defect properly down below 1%. Being a consequence, the warmth technology may be so modest this partly compensates the lower thermal conductivity.