Photodarkening and partial photobleaching: application to dichromated gelatin

Authors
Caron, S Lessard, RA Roberge, PC
Citation
S. Caron et al., Photodarkening and partial photobleaching: application to dichromated gelatin, APPL OPTICS, 40(5), 2001, pp. 707-713
Citations number
9
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Optics & Acoustics
Journal title
APPLIED OPTICS
ISSN journal
00036935 → ACNP
Volume
40
Issue
5
Year of publication
2001
Pages
707 - 713
Database
ISI
SICI code
0003-6935(20010210)40:5<707:PAPPAT>2.0.ZU;2-G
Abstract
Photodarkening or partial photobleaching of photochromic solid media is des cribed by means of an approximated analytical equation. The equation shows that the effective rate of the photochemical reaction is proportional to th e square root of the final transmittance of the illuminated layer. The mode l is applied to describe the photodarkening of dichromated gelatin at 488 n m. (C) 2001 Optical Society of America OCIS codes: 260.5130, 090.2900.