| Инд. авторы: | Dostovalov A.V., Wolf A.A., Babin S.A. |
| Заглавие: | Long-period fibre grating writing with a slit-apertured femtosecond laser beam (lambda=1026 nm) |
| Библ. ссылка: | Dostovalov A.V., Wolf A.A., Babin S.A. Long-period fibre grating writing with a slit-apertured femtosecond laser beam (lambda=1026 nm) // Quantum Electronics. - 2015. - Vol.45. - Iss. 3. - P.235-239. - ISSN 1063-7818. - EISSN 1468-4799. |
| Внешние системы: | DOI: 10.1070/QE2015v045n03ABEH015647; SCOPUS: 2-s2.0-84978023519; WoS: 000352096900011; |
| Реферат: | eng: We report on long-period grating (LPG) writing in a standard telecom fibre, SMF-28e+, via refractive index modification by femtosecond pulses. A method is proposed for grating writing with a slit-apertured beam, which enables one to produce LPGs with reduced background losses and a resonance peak markedly stronger than that in the case of grating writing with a Gaussian beam. The method can be used to fabricate LPGs for use as spectral filters of fibre lasers and sensing elements of sensor systems.
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| Ключевые слова: | IRRADIATION; FABRICATION; SYMMETRIC WAVE-GUIDES; REFRACTIVE-INDEX GRATINGS; spectral filters; long-period fibre gratings; refractive index modification by femtosecond pulses; PULSES; |
| Издано: | 2015 |
| Физ. характеристика: | с.235-239 |