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Additive-pulse mode-locked NaCl:OH(-) laser.

C P Yakymyshyn, J F Pinto, C R Pollock

|September 16, 2009

Summary

This summary is machine-generated.

Stable, ultrashort laser pulses as brief as 75 femtoseconds (fsec) were achieved using an additive-pulse mode-locked sodium-chloride:hydroxyl (NaCl:OH(-)) color-center laser, tunable across the 1.51-1.65 micrometer (µm) range.

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Area of Science:

Laser Physics
Quantum Optics
Solid-State Spectroscopy

Background:

Color-center lasers are crucial for generating tunable ultrashort pulses.
Additive-pulse mode-locking (APM) is a technique for generating femtosecond pulses.
NaCl:OH(-) crystals offer a gain medium for infrared laser operation.

Purpose of the Study:

To describe the operation of an additive-pulse mode-locked NaCl:OH(-) color-center laser.
To characterize the performance of the laser in terms of pulse duration, tunability, and output power.

Main Methods:

Utilized an additive-pulse mode-locking technique.
Employed a NaCl:OH(-) crystal as the gain medium.
Investigated laser operation and tunability within the 1.51-1.65 micrometer range.

Main Results:

Achieved stable output pulses with durations as short as 75 femtoseconds (fsec).
Demonstrated tunability of the laser output from 1.51 to 1.65 micrometers (µm).
Obtained an average output power of 300 milliwatts (mW) at 1.6 µm.

Conclusions:

The additive-pulse mode-locked NaCl:OH(-) laser is capable of producing high-quality, ultrashort laser pulses.
The laser's tunability and power output make it suitable for various spectroscopic applications.
This work advances the development of femtosecond laser sources in the infrared region.