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Low-threshold, cw, all-solid-state Ti:Al(2)O(3) laser.
Optics Letters
|September 24, 2009
Summary
A new continuous-wave titanium-aluminum-oxide (Ti:Al2O3) ring laser offers tunable, single-frequency output. This laser, pumped by a diode-laser-pumped, frequency-doubled, neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, is ideal for injection seeding applications.
Area of Science:
- Laser Physics
- Quantum Optics
- Materials Science
Background:
- Titanium-aluminum-oxide (Ti:Al2O3) lasers are known for their broad tunability.
- Achieving single-frequency, diffraction-limited output is crucial for many advanced optical applications.
- Efficient pumping methods are essential for reducing laser threshold power.
Purpose of the Study:
- To demonstrate a continuous-wave (cw) Ti:Al2O3 ring laser.
- To achieve a low threshold power for the Ti:Al2O3 ring laser.
- To provide a tunable source of single-frequency, diffraction-limited radiation suitable for injection seeding.
Main Methods:
- Utilized a continuous-wave (cw) Ti:Al2O3 ring laser design.
- Employed a diode-laser-pumped, frequency-doubled neodymium-doped yttrium aluminum garnet (Nd:YAG) laser as the sole pump source.
- Characterized the laser's threshold power, tunability, and output beam quality.
Main Results:
- Demonstrated a cw Ti:Al2O3 ring laser with a threshold power of 119 mW.
- The laser produced tunable, single-frequency, diffraction-limited radiation.
- Confirmed suitability of the output for injection seeding.
Conclusions:
- A low-threshold cw Ti:Al2O3 ring laser has been successfully demonstrated.
- The developed laser system provides a versatile source for applications requiring high-quality, tunable laser light.
- The use of a diode-laser-pumped, frequency-doubled Nd:YAG laser offers an efficient pumping solution.

