Baitao Zhang, Jian Ning, Zhaowei Wang, Kezhen Han, Jingliang He. High power red laser generation by second harmonic generation with GTR-KTP crystal[J]. Chinese Optics Letters, 2015, 13(5): 051402
- Chinese Optics Letters
- Vol. 13, Issue 5, 051402 (2015)
Fig. 1. Schematic diagram of the intracavity SHG red laser.
Fig. 2. Average red output power versus repetition rates for two KTP crystals under the LD pump power of 130 W.
Fig. 3. Temperature tuning curve for the intracavity SHG crystals: (a) for GTR-KTP with a temperature range of 15–50°C; (b) for C-KTP with a temperature range of 15–39°C.
Fig. 4. Intracavity SHG red laser output power versus the LD pump power when the temperatures of the GTR-KTP and C-KTP were set at 21 and 19°C, respectively.
Fig. 5. Variations of red laser pulse widths versus the LD pump power for GTR-KTP and C-KTP at the repetition rate of 7 kHz.
Fig. 6. Beam profiles of the red laser obtained with the two crystals.
Fig. 7. Temporal pulse shape of the red laser obtained by the C-KTP crystal.
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