Getting My KTP Crystal To Work
Getting My KTP Crystal To Work
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Optical Homogeneity of H-KTP (a) and H-RKTP (b); c Conoscopic interference picture of a H-RKTP EO swap. Piezoelectric coefficient d33 distribution of d H-KTP and e H-RKTP; f 20 wafers using a thickness of one mm together the z-plane from beginning to end for confirming the ferroelectric domain with the crystal by measuring the piezoelectric coefficient d33; Distribution of DC conductivity at 70 °C of H-RKTP crystal g by conventional hydrothermal system and h micro-doping sustained-release hydrothermal technological know-how (MSHT)
PDF KTP (Potassium titanyl phosphate) is often a nonlinear crystal primarily Employed in extracavity configuration when just one pass through the crystal is necessary.
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Because of The problem of equipment and know-how, there are actually only a handful of institutional groups involved with hydrothermal progress of KTP following earlier forty six a long time
The output beam in the dichroic mirror includes only the green beam, which has a wavelength of 532 nm and a power of 300 mW. The output beam can be used for numerous applications including laser displays, health care lasers, or spectroscopy.
Due to the fact the wonderful EO Homes of KTP were being realized in 1976 combined with the acquiring of nonlinear Attributes, many attempts have been manufactured to realize its EO programs, based on which we realized the preparation of huge dimension, higher destruction resistance, and very low conductivity crystals even more to fabricate it into EO switches and EO modulators. It can be done to increase KTP crystals with a total bodyweight better than ten kg at just one time (a person autoclave for every cycle), with regards to the enhancement of a giant interior diameter autoclave. With the optimized hydrothermal crystal progress process, the electro-chromic, Picture-chromic, and catastrophic laser-induced damages have been overcome, and crystals with uniform substantial optical, electrical, and piezoelectric properties were attained, producing the commercial software of HKTP EO crystals a truth.
If the KTP crystal is used as an EO modulator, the utilized electrical area is parallel for the z-axis, and The sunshine propagation direction is parallel to the y-axis or x-axis. If a comparatively reduce switch-off voltage is wished-for, a y-axis swap is required. In apply, very long x-axis switches are sometimes used to get the desired small turn-off voltage for crystal growth economics. The E-O coefficient with the H-KTP crystal can be established as stick to in Table 3. Our EO coefficient measurement effects at 632.8 nm are consistent with the 1986 take a look at final results utilizing the hydrothermal technique KTP32.
The 1 micron gentle is typically produced from the neodymium doped crystal of YAG, Yttrium orthovanadate, or YLF. The KTP could possibly be made use of outside the laser cavity or intracavity wherever the laser depth is bigger. This frequency doubling result is generally known as next harmonic technology.
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