Low-threshold, cw, all-solid-state Ti:Al_2O_3 laser

Abstract

A cw Ti:A1(2)O(3) ring laser with a threshold power of 119 mW is demonstrated. It provides a tunable source of single-frequency, diffraction-limited radiation that is suitable for injection seeding. The Ti:A1(2)O(3) laser is operated with a diode-laser-pumped, frequency-doubled, Nd:YAG laser as the sole pump source.

> 6-W continuous-wave, efficient, low-noise, diode-pumped intracavity-doubled Nd:YAG laser for pumping Ti: Sapphire lasers

“…Input/output characteristics Figure 11 shows the input/output characteristics of the green-infrared light (800 nm) when a Ti:sapphire laser is pumped with the all-solid-state green laser developed here. At this time, a commercially available ring laser (Titan CW by Schwartz) [13] is used as the Ti:sapphire laser. This is a typical Ti:sapphire laser operated in single CW longi- tudinal mode.…”

Numerical modeling of thermal effects in a high-power injection-locked cw Ti:sapphire laser

“…Due to the Ti:sapphire crystal having the high thermal conductivity and the wide fluorescence range, the Ti:sapphire laser can be less affected by the thermal effect and be widely tuned. In order to produce the singlemode high-power Ti:sapphire laser, some traditional methods [2,3] have been often utilized, however the apparatuses were rather complicated, and the efficiencies were quite low. Compared with these methods, the injection locking technique [4] has become a very promising method to build the high power Ti:sapphire lasers, because it can avoid introducing additional intracavity loss.…”

Numerical analysis of a injection-locked cw Ti:sapphire laser

“…The injection locking technique [2] is an effective method to obtain such kind of lasers. The injection-locked laser has distinct advantages such as low loss in laser cavity and low intensity and phase noise [3], and thereby having a high lasing efficiency comparing with other techniques [4,5]. In this paper, we present the numerical analysis of the slope efficiency and threshold of the injection-locked cw Ti:sapphire laser based on a modified Ti:sapphire laser model mentioned by Alfrey [6].…”