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- Title
Neodymium laser with negative feedback: Suppression of self-mode-locking, control of mode-locking regime.
- Authors
Kozlova, M.; Smirnov, A.; Al-Khuzheyri, R.; Mantsevich, V.; Dneprovskii, V.
- Abstract
A simple way of suppression of self-mode-locking in a nanosecond Q-switched Nd:YAlO laser by placing an element introducing a negative feedback into the laser cavity, which consists of a plate of singlecrystal GaAs exhibiting two-photon absorption (complete suppression) or a cell containing colloidal solution of CdSe/ZnS quantum dots (partial suppression), is implemented. Placing the element introducing the negative feedback into the cavity of a pulsed picosecond mode-locked Nd:YAlO laser allowed an increase in the number of pulses in the pulse train and a change in the energy distribution between the pulses. Specificities of laser oscillation regimes in the presence of a nonlinear absorbing element in the cavity were analyzed by numerically solving the set of balance equations describing the population inversion density and the photon flux density in the cavity.
- Subjects
NEODYMIUM lasers; QUANTUM dots; CADMIUM selenide; ZINC sulfide; Q-switched lasers
- Publication
Optics & Spectroscopy, 2015, Vol 119, Issue 2, p306
- ISSN
0030-400X
- Publication type
Article
- DOI
10.1134/S0030400X15070152