Back to Search
Start Over
Femtosecond pulse generation from a Tm:CaYLuAlO4 laser employing a birefringent filter as wavelength selector.
- Source :
-
Applied Physics B: Lasers & Optics . Jul2023, Vol. 129 Issue 7, p1-6. 6p. - Publication Year :
- 2023
-
Abstract
- In this paper, we demonstrate a SESAM mode-locked Tm:CaYLuAlO4 (a-cut) laser in the 2-μm spectral range. A birefringent filter (BF) is employed to shift the emission wavelength above 2 μm to support the stable mode locking through avoiding the structured water vapor absorption. Pulses as short as 288 fs are generated with a central wavelength of 2037 nm and an average power of 166 mW at a repetition rate of ~ 77.6 MHz. Moreover, wavelength tunable femtosecond laser with a tuning range from 2031.8 to 2081.1 nm is realized simply by rotating the birefringent filter around its surface normal. This work experimentally shows that birefringent filter is a simple and low-cost way to support the stable mode locking of Tm-bulk femtosecond lasers with an emission peak in the water vapor absorption region. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09462171
- Volume :
- 129
- Issue :
- 7
- Database :
- Academic Search Index
- Journal :
- Applied Physics B: Lasers & Optics
- Publication Type :
- Academic Journal
- Accession number :
- 165466105
- Full Text :
- https://doi.org/10.1007/s00340-023-08061-4