Abstract

We report on the solgel method of fabrication of thin films of high optical quality and with tunable index of refraction. The resulting coatings are hard, durable and robust against humidity and common organic solvents. Bragg mirrors and edge filters have been made by stacking these films. A blue light-blocking edge filter made by $2\times 21$ stacked layers shows a transmittance of less than 1% in the stop band region while maintaining a high transmittance of over 80% in the rest of the visible spectral region with an integrated photopic transmittance of 89.7%.

© 2018 Optical Society of America

Fabrication of ridge waveguides: a new solgel route

Amir Fardad, Mark Andrews, Galina Milova, Ali Malek-Tabrizi, and Iraj Najafi
Appl. Opt. 37(12) 2429-2434 (1998)

Spectral transmittance of organic dye-doped glass films obtained by the solgel method

Shojiro Nemoto and Naoyuki Hirokawa
Appl. Opt. 35(16) 3052-3058 (1996)

Solgel derived tantalum pentoxide films as ultraviolet antireflective coatings for silicon

Timothy J. Rehg, J. Alberto Ochoa-Tapia, André Knoesen, and Brian G. Higgins
Appl. Opt. 28(24) 5215-5221 (1989)

Simple reflow technique for fabrication of a microlens array in solgel glass

M. He, X.-C. Yuan, N. Q. Ngo, J. Bu, and V. Kudryashov
Opt. Lett. 28(9) 731-733 (2003)

Thirty-seven layer optical filter from polymerized solgel solutions

Deborah P. Partlow and Terry W. O’Keeffe
Appl. Opt. 29(10) 1526-1529 (1990)