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Capacitive-mesh output couplers for optically pumped far-infrared lasers
Optics Letters
|August 18, 2009
Summary
Capacitive-mesh output couplers enhance far-infrared molecular lasers across a broad spectrum (42 micrometers to 1.2 mm). A new hybrid coupler improves performance at shorter wavelengths.
Area of Science:
- Physics
- Spectroscopy
- Laser Technology
Background:
- Optically pumped molecular lasers are crucial for far-infrared (FIR) spectroscopy.
- Capacitive-mesh output couplers are essential components for efficient laser operation.
Purpose of the Study:
- To extend the spectral range of capacitive-mesh output couplers for FIR lasers.
- To optimize grid constants for various FIR laser lines.
- To enhance laser performance at shorter FIR wavelengths.
Main Methods:
- Investigated capacitive-mesh output couplers across the 42 micrometer to 1.2 mm FIR spectrum.
- Determined optimal grid constants for several FIR laser lines.
- Developed and tested a novel hybrid capacitive-mesh hole output coupler.
Main Results:
- Successfully extended the operational range of capacitive-mesh output couplers in FIR molecular lasers.
- Identified optimum grid constants for multiple FIR laser lines.
- Demonstrated improved laser performance at shorter wavelengths using the hybrid coupler.
Conclusions:
- Capacitive-mesh output couplers are versatile for broad FIR laser applications.
- The hybrid coupler offers enhanced performance for short-wavelength FIR molecular lasers.
