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Ba3P3O10C1 single crystal and preparation method thereof

A technology of crystals and crystal materials, which is applied in the field of deep ultraviolet nonlinear optical crystal materials and their preparation, can solve problems such as the difficulty of growing large crystals, and achieve excellent thermal stability

Active Publication Date: 2013-04-03
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Almost none of the known nonlinear optical crystals satisfy the above two conditions, such as β–BaB 2 o 4 (BBO), LiB 3 o 5 (LBO), CsB 3 o 5 (CBO), CsLiB 6 o 10 (CLBO), KTiPO 4 (KTP), KH 2 PO 4 (KDP) and LiNbO 3 Neither of the above two conditions is satisfied
At present, the only nonlinear optical crystal capable of producing deep ultraviolet coherent light is KBe 2 BO 3 f 2 , however, due to the difficulty in growing large crystals affected by its layered structure, there is still a certain distance from large-scale applications

Method used

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  • Ba3P3O10C1 single crystal and preparation method thereof
  • Ba3P3O10C1 single crystal and preparation method thereof
  • Ba3P3O10C1 single crystal and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Synthesis of Compound Ba by High Temperature Solid Phase Synthesis 3 P 3 o 10 Cl

[0023] Raw materials used: BaO 0.1641g

[0024] P 2 o 5 0.0912g

[0025] BaCl 2 0.0447g

[0026] CsCl 0.3000g

[0027] Its chemical reaction equation is:

[0028] 5BaO + 3P 2 o 5 + BaCl 2 = 2Ba 3 P 3 o 10 Cl

[0029] The specific operation steps are as follows: After weighing the above-mentioned raw materials according to the above-mentioned dosage, put them into a graphite crucible together, transfer them to a large quartz tube, seal the tube with a hydrogen-oxygen flame under high vacuum, and then put it into a program-controlled tube type In the furnace, it takes 15 hours to heat from room temperature to 250 oC, and keep it at 250 oC for one day, then it takes 20 hours to heat it from 250 oC to 620 oC, and it takes 30 hours to heat it to 850 oC, and keep it at that temperature for 100 hours , and then cooled to 450 oC with 5 oC / h, finally turn off the temper...

Embodiment 2

[0031] Growth of Ba by molten salt method 3 P 3 o 10 Cl crystal

[0032] The heating device for crystal growth is a box-type resistance furnace, the temperature control device is Xiamen Yudian AI-808P temperature controller, and the heat sensing device is a platinum-rhodium thermocouple. Choose CsCl as the flux, slow down the temperature and spontaneously crystallize Ba 3 P 3 o 10 Cl crystals.

[0033] Raw materials used: Ba 3 P 3 o 10 Cl 3.7g

[0034] CsCl 1.8g

[0035] The specific operation steps are as follows: after weighing the above-mentioned raw materials according to the above-mentioned dosage, mix them evenly, put them together into a platinum crucible, then transfer them to a large quartz tube, seal the tube with a hydrogen-oxygen flame under high vacuum, and then put it into a box-type resistor In the furnace, it took 20 h to heat from room temperature to 800 oC, and kept at this temperature for 70 h, then cooled to 450 oC at 0.5 oC / h, turned off the tem...

Embodiment 3

[0037] Transmittance Test Method for Millimeter Scale BPOC Single Crystal

[0038] A hole with a diameter of approximately 0.9 mm is chiseled on a black sheet, and the millimeter-scale Ba 3 P 3 o 10 The Cl single crystal sticks to the hole, so that the single crystal blocks the small hole, and then use this black sheet with the single crystal to measure the transmittance. When measuring, the laser just passes through the small hole.

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Abstract

The invention discloses a Ba3P3O10C1 single crystal and a preparation method thereof. The molecular formula of the crystal is Ba3P3O10C1, the lattice parameters of the crystal are as follows: a=14.277(17)*10<-10>, b=5.5968(4)*10<-10>, c=14.1592(4)*10<-10>, V=1131.41(19)*10<-30>, and Z=4. The crystal has good non-linear optical property and is a phase match compound; the second-order frequency-doubled effect intensity of the crystal is 0.6 times of that of KDP (KH2PO4), and the shortwave adsorption side of the crystal can reach 180nm, and therefore, the crystal has potential non-linear optics application value. The crystal also has excellent thermal stability. The comprehensive thermoanalysis test result shows that the crystal is a congruent melting compound.

Description

technical field [0001] The invention relates to a novel deep ultraviolet nonlinear optical crystal material containing isolated tripolyphosphate radicals and a preparation method thereof, belonging to the field of inorganic nonlinear optical materials. Background technique [0002] With the development of 193 nm lithography technology and micro- and nano-fine laser processing, modern instruments such as ultra-high energy resolution photoelectron spectroscopy and photoelectron emission microscopy have a strong demand for deep ultraviolet laser sources (less than 200 nm), as well as chemical reactions. The development of all-solid-state deep ultraviolet laser light sources has become a hot and difficult point in the scientific community because of the urgent demand for deep ultraviolet coherent light sources in basic research such as dynamics. At present, there are mainly ways to produce deep ultraviolet coherent light sources: synchrotron radiation light sources and excimer l...

Claims

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Application Information

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IPC IPC(8): C30B29/22C30B9/12G02F1/355G02F1/39
Inventor 陈玲于鹏吴立明吴新涛
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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