Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams

G. H. Cheng; Y. J. Zhang; Q. Liu

doi:10.1117/12.2268292

Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams

G. H. Cheng, Y. J. Zhang, Q. Liu

Research output: Contribution to journal › Conference article › peer-review

2 Scopus citations

Abstract

Transmitting volume Bragg gratings were fabricated in photo-thermo-refractive glass using femtosecond laser Bessel beams and thermal treatment. The phase contrast images of gratings under different writing power were investigated before and after annealing. Microstructures composed of nano-sized crystals were observed in the exposed regions. Optimized writing power (100 mW) achieved dense nano-crystals distribution. A maximum diffraction efficiency of 92.36% was achieved with 1 mm grating thickness at period of 5 μm.

Original language	English
Article number	1017322
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	10173
DOIs	https://doi.org/10.1117/12.2268292
State	Published - 2017
Externally published	Yes
Event	4th International Symposium on Laser Interaction with Matter - Chengdu, China Duration: 6 Nov 2016 → …

Keywords

Diffraction efficiency
Laser-matter interactions
Nonlinear photosensitivity
PTR glass
Volume Bragg gratings

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title = "Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams",

abstract = "Transmitting volume Bragg gratings were fabricated in photo-thermo-refractive glass using femtosecond laser Bessel beams and thermal treatment. The phase contrast images of gratings under different writing power were investigated before and after annealing. Microstructures composed of nano-sized crystals were observed in the exposed regions. Optimized writing power (100 mW) achieved dense nano-crystals distribution. A maximum diffraction efficiency of 92.36% was achieved with 1 mm grating thickness at period of 5 μm.",

keywords = "Diffraction efficiency, Laser-matter interactions, Nonlinear photosensitivity, PTR glass, Volume Bragg gratings",

author = "Cheng, {G. H.} and Zhang, {Y. J.} and Q. Liu",

note = "Publisher Copyright: {\textcopyright} 2017 SPIE.; 4th International Symposium on Laser Interaction with Matter ; Conference date: 06-11-2016",

year = "2017",

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journal = "Proceedings of SPIE - The International Society for Optical Engineering",

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T1 - Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams

AU - Cheng, G. H.

AU - Zhang, Y. J.

AU - Liu, Q.

PY - 2017

Y1 - 2017

N2 - Transmitting volume Bragg gratings were fabricated in photo-thermo-refractive glass using femtosecond laser Bessel beams and thermal treatment. The phase contrast images of gratings under different writing power were investigated before and after annealing. Microstructures composed of nano-sized crystals were observed in the exposed regions. Optimized writing power (100 mW) achieved dense nano-crystals distribution. A maximum diffraction efficiency of 92.36% was achieved with 1 mm grating thickness at period of 5 μm.

AB - Transmitting volume Bragg gratings were fabricated in photo-thermo-refractive glass using femtosecond laser Bessel beams and thermal treatment. The phase contrast images of gratings under different writing power were investigated before and after annealing. Microstructures composed of nano-sized crystals were observed in the exposed regions. Optimized writing power (100 mW) achieved dense nano-crystals distribution. A maximum diffraction efficiency of 92.36% was achieved with 1 mm grating thickness at period of 5 μm.

KW - Diffraction efficiency

KW - Laser-matter interactions

KW - Nonlinear photosensitivity

KW - PTR glass

KW - Volume Bragg gratings

UR - http://www.scopus.com/inward/record.url?scp=85036465843&partnerID=8YFLogxK

U2 - 10.1117/12.2268292

DO - 10.1117/12.2268292

M3 - 会议文章

AN - SCOPUS:85036465843

SN - 0277-786X

VL - 10173

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

M1 - 1017322

T2 - 4th International Symposium on Laser Interaction with Matter

Y2 - 6 November 2016

ER -

Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams

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Keywords

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