Książka Dynamically Controllable Bragg Gratings Poonam Arora

Dynamically Controllable Bragg Gratings

Design concepts and realization of dynamically controllable Bragg gratings in lithium niobate for holographic and spectral filtering applications

Autor: Poonam Arora
Język: Angielski
Oprawa: Miękka
Dostępność: Dostępna u dostawcy
Wysyłamy za 5-8 dni
292.04
This book emphasizes on the realization, §investigation and manipulation of Bragg gratings §with ext...

Informacje o książce

Autor
Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2008
strony
152
EAN
9783838100241
ISBN
3838100247
Enbook ID
06861428
Waga
213
Wymiary
152 x 229 x 8

Pełny opis

This book emphasizes on the realization, §investigation and manipulation of Bragg gratings §with external electrical control especially for §spectral filtering applications. Volume §photorefractive Bragg gratings realized in bulk §lithium niobate crystals are manipulated with §external electric field in order to demonstrate fast §electrically switchable holographic lenses and §mirrors. Furthermore, photorefractive Bragg gratings §are inscribed in lithium niobate waveguides and a §fast electrically tunable integrated optical §spectral filter is demonstrated. The most important §and interesting part is the §introduced concept of phase-shift keying of §corrugated waveguide Bragg gratings which was used §to dynamically reconfigure the Filter transfer §function. This novel concept comprises, for the §first time to the best of author's knowledge, the §use of external electric field to dynamically §inscribe phase-shifts to more than two sections of §the already fabricated integrated corrugated Bragg §grating. Employing this technique, a fast ( one §microsecond) reconfiguration or synthesis of the §transfer function into several desirable profiles is §demonstrated.

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