Growth and ultraviolet application of Li2B4O7 crystals: Generation of the fourth and fifth harmonics of Nd:Y3Al5O12 lasers

被引：176

作者：

Komatsu, R

Sugawara, T

Sassa, K

Sarukura, N

Liu, Z

Izumida, S

Segawa, Y

Uda, S

Fukuda, T

Yamanouchi, K

机构：

[1] OKAZAKI NATL RES INST,INST MOL SCI,OKAZAKI,AICHI 444,JAPAN

[2] INST PHYS & CHEM RES,PHOTODYNAM RES CTR,AOBA KU,SENDAI,MIYAGI 980,JAPAN

[3] TOHOKU UNIV,INST MAT RES,AOBA KU,SENDAI,MIYAGI 980,JAPAN

[4] TOHOKU UNIV,ELECT COMMUN RES INST,AOBA KU,SENDAI,MIYAGI 980,JAPAN

来源：

APPLIED PHYSICS LETTERS | 1997年 / 70卷 / 26期

关键词：

D O I：

10.1063/1.119210

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A 2 in. diam single crystal of lithium tetraborate (Li2B4O7) was successfully grown by the Czochralski method. The crystal was free from macrodefects and had a dislocation density as low as 100/cm(2). It had an excellent homogeneity of the refractive index and a wide transparency down to 170 nm. The optical damage threshold was 40 GW/cm(2). Second-harmonic generation and sum frequency generation were investigated in association with the generation of the fourth and fifth harmonics of a e-switched Nd:YAG laser. The conversion efficiency of the second-harmonic generation from the green (532 nm) light was 20%. (C) 1997 American Institute of Physics.

引用

页码：3492 / 3494

页数：3

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