A laser system, the laser comprising a codoped Er,Yb:YAB gain medium, the gain medium within a resonator cavity. The laser system further comprising a pumping source, the pumping source having optical output directed towards the gain medium. The laser system further comprising a laser controller, th
A laser system, the laser comprising a codoped Er,Yb:YAB gain medium, the gain medium within a resonator cavity. The laser system further comprising a pumping source, the pumping source having optical output directed towards the gain medium. The laser system further comprising a laser controller, the laser controller operating the pumping source.
대표청구항▼
1. A laser system comprising: a codoped Er,Yb:YAB gain medium, the gain medium within a resonator cavity;a pumping source, the pumping source having optical output directed towards the gain medium;a laser controller, the laser controller operating the pumping source; anda heat spreader, the heat spr
1. A laser system comprising: a codoped Er,Yb:YAB gain medium, the gain medium within a resonator cavity;a pumping source, the pumping source having optical output directed towards the gain medium;a laser controller, the laser controller operating the pumping source; anda heat spreader, the heat spreader in thermal communication with the gain medium through a surface wherein the pump source has optical output incident. 2. The laser of claim 1, wherein the laser is actively Q-switched, the active q-switch controlled by the laser controller. 3. The laser of claim 1, wherein the laser is passively Q-switched. 4. The laser system of claim 1, wherein the laser produces greater than 1 Watt (W) average power. 5. The laser system of claim 1, wherein the laser produces greater than produces great than 5 kW peak pulse power. 6. The laser system of claim 1, wherein the heat spreader is an optically transparent window about optically index matched to the Er,Yb:YAB gain medium and having no etalon effect. 7. The laser system of claim 6, wherein the transparent window is sapphire. 8. The laser system of claim 1, wherein the laser controller prepumps the Er,Yb:YAB gain medium. 9. The laser system of claim 8, wherein the duration of the pulse pumping is shorter than the upper-state lifetime of the gain medium. 10. The laser system of claim 8, wherein the pulse pumping is used to increase laser pulse energy. 11. The laser system of claim 8 wherein the pulse pumping is used to increase average laser pulse power. 12. A laser system comprising: a codoped Er,Yb:YAB gain medium, the gain medium within a resonator cavity;a pumping source, the pumping source having optical output directed towards the gain medium;a heat spreader in thermal communication with the gain medium;a laser controller, the laser controller operating the pumping source; anda photodetector, the photodetector detecting emission of the optical pulse, the photodetector providing temporal feedback of the time of the laser pulse output. 13. The laser system of claim 12, wherein the laser produces greater than 1 Watt (W) average power. 14. The laser system of claim 12, wherein the laser produces great than 5 kW (Q) peak pulse power. 15. The laser system of claim 12, wherein the laser controller adjusts operating conditions of the laser to reduce jitter. 16. The laser system of claim 12, wherein the photodetector is a photodiode. 17. The laser system of claim 16, wherein the photodiode is InGaAs. 18. The laser system of claim 12 wherein the photodetector is an avalanche photodiode (APD). 19. The laser system of claim 12, wherein the heat spreader is an optically transparent window about optically index matched to the Er,Yb:YAB gain medium and having no etalon effect. 20. The laser system of claim 19, wherein the transparent window is sapphire. 21. The laser system of claim 12, wherein the pumping source emission is about 976 nm. 22. The laser system of claim 12, wherein the pumping source is a fiber coupled laser diode. 23. The laser system of claim 12, wherein the laser controller operates an active thermal cooler, the thermal cooler in thermal communication with the Er,Yb:YAB gain medium. 24. The laser system of claim 12, wherein the laser controller modifies the pump current based on temporal feedback from the photodiode.
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