GTR-KTP Crystal - An Overview
GTR-KTP Crystal - An Overview
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Potassium Titanyl Phosphate (KTiOPO4 or KTP) is a superb nonlinear optical substance suitable for use in several optical systems. It has higher nonlinear coefficient and stable Bodily residence.
GTR-KTP crystal has gray keep track of resistance sufficiently increased than normal flux-grown KTP. It's got extensive angular bandwidth and tiny wander-off angle and broad temperature and spectral bandwidth. GTR-KTP crystals can be commonly Utilized in medical, armed service and meteorology fields.
These are manufactured at an optimally reduced temperature that lowers the chance of defects, oxygen vacancies, crystal strains, or minimized metallic centers.
KTP is a wonderful nonlinear crystal, but its gray tracking phenomena restrictions its use in higher repetition fee and significant power laser programs. CASTECH's GTR-KTP crystal has bigger grey monitoring resistance compared to the standard flux developed KTP crystal.
The incidence of grey-observe might be calculated by a boost of bulk absorption by a strong CW 532nm green laser within several minutes. This measurement can be executed with Image-thermal Prevalent-path interferometer.
Comparison concerning the shared and coupled resonators for that intracavity optical parametric oscillators pumped by passively Q-switched Nd:GdVO4 lasers is experimentally created. The shared and coupled…
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This sort of crystals Use a lessen Original IR absorption and are significantly less impacted by inexperienced gentle than common KTP, So avoid the issues of harmonic power instabilities, performance drops, crystal blackening, and beam distortion.
In addition, the shut autoclave development procedure allows for zero to minimal chemical impurities plus the consistent growth amount lends a superb homogeneity or uniform generate through the entire bulk crystal.
Substantial grey tracking resistance, which makes it ideal for substantial repetition fee and significant-ability laser units.
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Immediately after air drying and subsequent cleansing by using a cotton cloth soaked in alcohol, the film surface area confirmed no signs of peeling or scratches.
Adhesion Test Compliant with MIL-C-675C armed service expectations, an adhesion test included applying a tape that check here fulfills LT-ninety specs on to the lens movie layer. The tape was affixed completely and then taken out vertically. This procedure was carried out thrice, causing no blistering or peeling.
Intracavity optical parametric oscillator at 1572-nm wavelength pumped by passively Q-switched diode-pumped Nd:YAG laser