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Stark-cell stabilized submillimeter wave laser at 393 mum
Applied Optics
|June 29, 2010
Summary
New Stark resonances in methylene fluoride were observed using a carbon dioxide (CO2) laser. These findings enable the stabilization of a formic acid laser for advanced spectroscopic applications.
Area of Science:
- Molecular spectroscopy
- Laser physics
- Quantum optics
Background:
- Methylene fluoride (CH2F2) is a molecule with significant applications in laser technology.
- Carbon dioxide (CO2) lasers provide a versatile source for molecular spectroscopy.
- Stark resonances are crucial for understanding molecular interactions with electric fields.
Purpose of the Study:
- To investigate and report novel Stark resonances in methylene fluoride.
- To utilize these resonances for stabilizing an optically pumped laser system.
Main Methods:
- High-resolution spectroscopy using a 9.4-micrometer (μm) carbon dioxide (CO2) laser.
- Observation of Stark resonances on the R18 transition of methylene fluoride.
- Application of observed resonances to frequency stabilization techniques.
Main Results:
- Successfully identified new Stark resonances in methylene fluoride.
- Demonstrated the use of these resonances to stabilize an optically pumped formic acid laser operating at 393 μm.
Conclusions:
- The observed Stark resonances provide a new method for laser stabilization.
- This work advances the precision of molecular laser systems.
- Highlights the utility of methylene fluoride in spectroscopic applications.
