On-fiber diffractive microrelief design for efficient control of the waveguiding beam

V. S. Pavelyev

doi:10.1117/12.663844

25 April 2006 On-fiber diffractive microrelief design for efficient control of the waveguiding beam

V. S. Pavelyev

Proceedings Volume 6187, Photon Management II; 61870S (2006) https://doi.org/10.1117/12.663844
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

Introduction of diffractive optical elements (DOEs) opened the possibility to control field distribution in the cross-section of laser beam. In fact, by use of DOE one can focus the laser beam into predicted areas as well as form the beam with pre- given behavior propagation through waveguide medium. Diffractive optical element is the plate made from optical material (substrate) with diffractive micro-relief realized on the one or both sides of the plate. Note, that the diffractive micro- relief can be realized directly on the waveguide surface as well. Some applications need the focusing of the output waveguiding beam into predicted area. Generally, one can use diffractive micro-relief on the output end face of the waveguide in the case of excitement of selected waveguide mode. Other applications need selected waveguide mode excitement for fiber sensor sensitivity improvement. In the present paper it is suggested to use micro-relief on the input waveguide cross-section for effective excitement of selected mode. The strategy of the search of Gaussian mode with intensity distribution closed to the illuminating beam intensity distribution is suggested to be used. Corresponding numerical procedure is described. Computer simulation results as well as first experimental results are presented.

Citation Download Citation

V. S. Pavelyev "On-fiber diffractive microrelief design for efficient control of the waveguiding beam", Proc. SPIE 6187, Photon Management II, 61870S (25 April 2006); https://doi.org/10.1117/12.663844

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available