2D filament grating array: enabling an efficient, high-resolution lens-less all-fiber spectrometer

Abdullah Rahnama; YoungHwan Kim; Keivan Mahmoud Aghdami; Peter R. Herman

doi:10.1117/12.2581898

29 March 2021 2D filament grating array: enabling an efficient, high-resolution lens-less all-fiber spectrometer

Abdullah Rahnama, YoungHwan Kim, Keivan Mahmoud Aghdami, Peter R. Herman

Proceedings Volume 11676, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXI; 116760Y (2021) https://doi.org/10.1117/12.2581898
Event: SPIE LASE, 2021, Online Only

Abstract

A two-dimensional (2D), point-by-point writing technique of forming filament arrays with femtosecond laser pulses was applied inside of single-mode optical fiber to open new opportunities for 2D photonic bandgap engineering and highresolution spectroscopy. A small grating period of ~300 nm provided first-order diffraction externally to the fiber cladding, with spectral, blazing, and self-focusing properties tailored by varying the 1D and 2D grating design. The spectral properties of the lens-less, all-fiber spectrometer have been tuned with varying grating dimension, chirping rate, and blazing design that can meet wide ranging criteria for design of compact grating spectrometers in narrow to broad spectral ranges of the visible and telecommunication bands.

Conference Presentation

Citation Download Citation

Abdullah Rahnama, YoungHwan Kim, Keivan Mahmoud Aghdami, and Peter R. Herman "2D filament grating array: enabling an efficient, high-resolution lens-less all-fiber spectrometer", Proc. SPIE 11676, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXI, 116760Y (29 March 2021); https://doi.org/10.1117/12.2581898

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