KDP/DKTP

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Product description

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Introduction to KDP/DKTP DKDP & KDP crystal potassium dihydrogen phosphate (KDP) and potassium dideuterium phosphate (DKDP) have low nonlinear coefficients, but they are widely used due to their superior ultraviolet transmission, high damage threshold, and high birefringence coefficient. In a variety of industrial uses. These two crystals are usually used to make Nd:YAG lasers for second, third, and quadruple frequency devices (at room temperature)

Product Features：

	KDP	DKDP
化学式	KH2PO4	KD2PO4
晶格参数	a=b=7.4529, c=6.9751	a=b=7.4697, c=6.9766
密度	2.332g/cm3	2.355g/cm3
莫氏硬度	2.5	2.5
透光范围	180~1550nm	200~2150nm
居里温度	~396℃	~455℃
非线性系数	d36=0.44pm/V	d36=0.40pm/V
折射率(1064nm)	no=1.4938, ne=1.4599	no=1.4948, ne=1.4554
电光系数	r41=8.8pm/V,r63=10.3pm/V	r41=8.8pm/V,r63=25pm/V
纵向半波电压	VΠ=7.65KV(λ=546nm)	VΠ=2.98KV(λ=546nm)
吸收率	0.07/cm	0.006/cm
激光损伤阈值	>5GW/cm2	>3GW/cm2
消光比	30dB	30dB
潮解特性	易潮解	易潮解

Technical Parameters：

尺寸公差	±0.1mm
平面度	λ / 8 @ 633nm
光洁度	20/10 (MIL-PRF-13830B)
平行度	优于20弧秒
垂直度	优于5弧分
角度公差	<±0.2°
有效孔径	中央直径大于 90％
波前畸变	λ / 8 @ 633nm

Application scope:

It is used to double, triple and quadruple the frequency of high-power Nd:YAG lasers and make Q-switches. Mainly used in industrial, medical, military, and other fields.

Company profile

Hebei Yincheng Optoelectronic Technology Co., Ltd. is a high-tech enterprise engaged in the research and development, production, sales and service of photoelectric functional crystal materials and special crystal growth equipment (single crystal furnace). It has a core R & D team composed of crystal growth and processing experts who give full play to technical advantages and constantly develop new products and new technologies to meet the needs of domestic and foreign markets and to make the company a professional supplier of photoelectric functional crystals in line with the business philosophy of “Honesty First and Creativity Based”.

The company's main products are Nd:YAG, Cr:YAG, Yb:YAG, YVO4 laser crystal and K9, quartz, sapphire, calcium fluoride, potassium bromide window piece, single crystal growth equipment and other products, widely used in industry, medical, beauty, military, scientific research, teaching, communication and other fields. In the field of plane and spherical polishing, vacuum coating and crystal bonding process, it takes leads in the industry.

The company has signed a cooperation agreement with the Laboratory of Optoelectronic Functional Crystals, Ministry of Education Engineering Research Center of Optoelectronic Functional Material, Changchun University of Science and Technology, and established a talent training and industry-university-research cooperation base named “Ministry of Education Engineering Research Center of Optoelectronic Functional Material Test Base” for joint development of solid state laser materials, optical materials, etc., as well as sharing equipment, resources and R&D achievements.