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Diode-pumped, room-temperature Tm:YAP laser.

I F Elder, J Payne

|February 12, 2008

Summary

This summary is machine-generated.

Continuous-wave thulium laser operation at room temperature was achieved using an end-pumped Tm:YAP laser. This system generated 730 mW of thulium laser output with a 42% conversion efficiency from absorbed pump power.

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Area of Science:

Laser physics
Solid-state laser technology
Quantum optics

Background:

Thulium (Tm) lasers are crucial for various applications, including medical procedures and spectroscopy.
Achieving efficient continuous-wave (CW) laser operation at room temperature is a key challenge in laser development.
The Scandium-doped Yttrium Aluminum Perovskite (Tm:YAP) crystal offers potential for efficient laser performance.

Purpose of the Study:

To demonstrate room-temperature continuous-wave (CW) operation of a Tm:YAP laser.
To investigate the efficiency of an end-pumped Tm:YAP laser system.
To characterize the output wavelength range of the developed thulium laser.

Main Methods:

Utilized a 3 W laser diode for end-pumping the Tm:YAP crystal.

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Operated the laser system at room temperature under continuous-wave (CW) conditions.

Measured the generated thulium laser output power and calculated the conversion efficiency.

Main Results:

Achieved continuous-wave (CW) thulium laser output at room temperature.
Generated 730 mW of thulium laser output power.
Attained a high conversion efficiency of 42% with respect to absorbed pump power.
Observed laser operation on multiple lines between 1.965 and 2.020 µm.

Conclusions:

Room-temperature CW operation of a Tm:YAP laser is feasible and efficient.
The end-pumped geometry is effective for high-power thulium laser generation.
The Tm:YAP laser system demonstrates significant potential for applications requiring specific infrared wavelengths.