Potassium titanyl phosphate growth equipment

Abstract

The present invention relates to the technical field of growing potassium titanyl phosphate by an additive method, and provides a freely adjustable seed crystal rotary rod to continuously rotate and stir the vertical precision required for KTP crystal growth, and the operation of pulling the seed crystal rotary rod is simple and convenient. Further, the growth equipment of potassium titanyl phosphate that improves the production yield and quality of potassium titanyl phosphate crystals includes a fuselage, a furnace barrel, a DC motor, a seed crystal rotating rod, a temperature sensor, a PLC control system and a power switch, and the power switch is set On the fuselage, the power switch is electrically connected to the DC motor, the DC motor, the temperature sensor and the power switch are all electrically connected to the PLC control system and controlled by the PLC control system, and a cross arm is arranged on the fuselage , the DC motor is arranged on the cross arm of the fuselage, the lifting device is arranged on the fuselage and connected with the cross arm of the fuselage, the DC motor is connected with the seed crystal rotating rod through the connecting seat, and the The free end of the seed crystal rotating rod is vertically installed in the furnace barrel.

Description

technical field [0001] The invention relates to the technical field of growing potassium titanyl phosphate by an additive method, in particular to a growth device for potassium titanyl phosphate. Background technique [0002] Potassium titanyl phosphate (KTiOPO4, KTP for short) crystal is an excellent nonlinear optical crystal. Suitable for making frequency multipliers. Its frequency doubling efficiency for 1064nm can reach about 80%, and it has a high nonlinear coefficient (about 15 times that of KDP), high thermal conductivity (twice that of BNN crystal), no moisture absorption, no deliquescent, at 900 It does not decompose below ℃, has good mechanical properties, the crystal surface is easy to polish, and the mismatch degree is small. The crystal can be used to make components such as frequency doubling, frequency mixing, electro-optical modulation, optical parametric oscillation and optical waveguide. Potassium titanyl phosphate was initially grown by the hydrothermal...

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Problems solved by technology

Although this method reduces the cost of growing KTP crystals by the flux method in the traditional process, it does not propose how to ensure the vertical accuracy required for the seed crystal rotating rod to continuously rotate and stir when the KTP crystal grows, and the seed crystal rotating rod During the KTP crystal growth process, it is necessary to manually measure and control and slowly pull upwards, and the pulling method is usually by installing a pull wire on the seed crystal rotating rod to manually lift and control it based on experience, so that the KTP crystal growth cannot be precisely controlled. loss, and the workers who control the operation need to be trained before they can operate the work

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