Exploration of the deep-ultraviolet nonlinear optical materials in the derivatives of KBe2BO3F2
Gai, MQ (Gai Min-Qiang)[ 1,2 ]; Wang, Y (Wang Ying)[ 1 ]; Pan, SL (Pan Shi-Lie)[ 1 ]
2019
Source PublicationACTA PHYSICA SINICA
ISSN1000-3290
Volume68Issue:2Pages:7-22
Abstract

The use of nonlinear optical crystal materials to extend the limited range of laser sources to the deep-ultraviolet (deep-UV, lambda < 200 nm) regions by various frequency conversion techniques, has become an attractive field for generating deep-UV light. However, the lack of nonlinear optics (NLO) crystal materials capable of frequency conversion in the deep-UV light range, limits the development and application of deep-UV all-solid-state lasers. Therefore, scientists all over the world are actively exploring the new generation of deep-UV NLO crystal materials. At present, only the KBe2BO3F2 (KBBF) crystal is capable of generating deep-UV light through the direct sixth harmonic generation of the Nd:YAG laser. The infinite (infinity)[Be2BO3F2](-) single layers, as the brilliant building blocks in the crystal structures of KBBF family, provide a relatively large second harmonic generation coefficient (d(11) = 0.47 pm/V) and a sufficient birefringence (Delta n = 0.07@1064 nm). However, the KBBF crystals have insurmountable intrinsic defects, such as the usage of high toxic beryllium oxide, and the serious layer growth habit, which greatly restrict its commercialization process. Since the layered structure of the KBBF crystal is still one of the most brilliant structures for generating deep-UV laser, an effective strategy is to change the interlayer connection mode and develop new NLO materials based on KBBF with less layering growth habit. In this paper, by reviewing the development history of borate deep-UV NLO crystals and the derivatives of KBBF, the relationship between layered structure and optical properties of different interlaminar connections of crystal materials is systematically analyzed. We discuss the main contradictions and solutions of the development of deep-UV NLO crystal materials which are similar to the KBBF structure. In order to provide a reference for the innovative exploration of new materials in the future, several design strategies are also proposed.

Keyworddeep-ultraviolet nonlinear optical crystals KBe2BO3F2 second harmonic generation
DOI10.7498/aps.68.20182145
Indexed BySCI
WOS IDWOS:000456744600016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5673
Collection中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
Corresponding AuthorPan, SL (Pan Shi-Lie)[ 1 ]
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, CAS Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
Recommended Citation
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Gai, MQ ,Wang, Y ,Pan, SL . Exploration of the deep-ultraviolet nonlinear optical materials in the derivatives of KBe2BO3F2[J]. ACTA PHYSICA SINICA,2019,68(2):7-22.
APA Gai, MQ ,Wang, Y ,&Pan, SL .(2019).Exploration of the deep-ultraviolet nonlinear optical materials in the derivatives of KBe2BO3F2.ACTA PHYSICA SINICA,68(2),7-22.
MLA Gai, MQ ,et al."Exploration of the deep-ultraviolet nonlinear optical materials in the derivatives of KBe2BO3F2".ACTA PHYSICA SINICA 68.2(2019):7-22.
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