IR-induced photodarkening in Tm-doped fluoride fibres
Barber, P.R., Paschotta, R., Tropper, A.C. and Hanna, D.C. (1995) IR-induced photodarkening in Tm-doped fluoride fibres. Optics Letters, 20, (21), 2195-2197. (doi:10.1364/OL.20.002195)
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Description/Abstract
We have observed a new type of infrared-induced photodarkening in high-numerical-aperture fluoride fibers doped with 3000 and 10,000 parts in 10^6 by weight of Tm. The loss induced in the visible region by 1140-nm radiation is very strong (as high as 25 dB in a 50-cm piece) and broadband it can be removed by irradiation with the same pump wavelength at lower powers.
| Item Type: | Article |
|---|---|
| ISSN: | 0146-9592 (print) |
| Related URLs: | http://www.orc.soton.ac.uk/vie...l?pid=515P |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| ePrint ID: | 78381 |
| URI: | http://eprints.soton.ac.uk/id/eprint/78381 |
| Deposited On: | 11 Mar 2010 |
| Last Modified: | 02 Mar 2012 11:23 |
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