Ultrashort pulse point-by-point written aperiodic fiber Bragg gratings for suppression of OH-emission lines

被引：2

作者：

Goebel, Thorsten A. ^{[1
,2
]}

Bharathan, Gayathri ^{[3
]}

Ams, Martin ^{[3
]}

Richter, Daniel ^{[1
]}

Kraemer, Ria G. ^{[1
]}

Heck, Maximilian ^{[1
]}

Siems, Malte P. ^{[1
]}

Fuerbach, Alex ^{[3
]}

Nolte, Stefan ^{[1
,4
]}

机构：

[1] Friedrich Schiller Univ Jena, Inst Appl Phys, Abbe Ctr Photon, Albert Einstein Str 15, D-07745 Jena, Germany

[2] Max Planck Inst Sci Light, IMPRS PL, Staudtstr 2, D-91058 Erlangen, Germany

[3] Macquarie Univ, MQ Photon Res Ctr, Dept Phys & Astron, N Ryde, NSW 2109, Australia

[4] Fraunhofer Inst Appl Opt & Precis Engn, Albert Einstein Str 7, D-07745 Jena, Germany

来源：

ADVANCES IN OPTICAL AND MECHANICAL TECHNOLOGIES FOR TELESCOPES AND INSTRUMENTATION III | 2018年 / 10706卷

关键词：

Fiber Bragg gratings; Fiber optics components; Laser materials processing; Wavelength filtering devices; Layer-peeling algorithm; PHASE MASK; FEMTOSECOND LASER; OPTICAL-FIBER; OPTIMIZATION; INSCRIPTION;

D O I：

10.1117/12.2318864

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We demonstrate the direct inscription of aperiodic fiber Bragg gratings (AFBGs) for their use as in-fiber filter elements. The modifications are induced by focusing ultrashort laser pulses with an oil-immersion objective into the fiber core. We apply an advanced point-by-point inscription technique for flexible period adaptation. The fabricated AFBGs are targeted on the suppression of 10 lines in a single grating and simulations based on the specific design show excellent agreement. Furthermore, we discuss the application in astronomy as filters for the suppression of OH emission lines.

引用

页数：9

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