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|Title: ||Optical Power Limiting with Photoinduced Anisotropy of Azobenzene Films|
|Authors: ||Wu, Pengfei|
Kimball, Brian R.
|Issue Date: ||Aug-2003 |
|Publisher: ||2003 Optical Society of America|
|Citation: ||Applied Optics, 2003, Vol.42, p4560-4565|
|Abstract: ||We study the power-limiting properties of photoanisotropic azobenzene films with low-power lasers. The trans-cis photoisomerization and molecular reorientation of azobenzene molecules induced by polarized laser beams result in intensity-dependent anisotropic effects. Consequently, the transmittance of the input beam that passes through the film between two crossed polarizers becomes enhanced at low intensities and clamped at high intensities. The limiting threshold is adjustable by changing the intensity of excitation beam.|
|Description: ||Restricted Access.|
|Alternative Location: ||http://www.opticsinfobase.org/abstract.cfm?URI=ao-42-22-4560|
|Copyright: ||2003 Optical Society of America|
|Appears in Collections:||Research Papers (LAMP)|
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