Measurements on the molecular nitrogen pulsed laser

Area of Science:

• Molecular Spectroscopy
• Laser Physics
• Quantum Mechanics

Background:

• Nitrogen molecule lasers are crucial for various scientific applications.
• Accurate characterization of stimulated emission is essential for laser efficiency and understanding molecular dynamics.

Purpose of the Study:

• To perform accurate wavelength measurements of pulsed laser emission from the nitrogen molecule.
• To identify and analyze new stimulated emission lines and their rotational quantum numbers.
• To investigate the characteristics of nitrogen laser oscillations.

Main Methods:

• Pulsed laser emission from nitrogen molecules was generated.
• Accurate wavelength measurements were performed using high-resolution spectroscopy.
• Stimulated emission lines were identified by their rotational quantum numbers.
• Relative intensities and oscillation characteristics were analyzed.

Main Results:

• Approximately one hundred new stimulated emission lines belonging to the first and second positive systems of nitrogen were identified.
• Lines were assigned to specific rotational quantum numbers.
• Relative intensities within the rotational band spectrum were analyzed.
• Characteristics of laser oscillations, including recovery time, were discussed.

Conclusions:

• The study provides a detailed spectral map of nitrogen laser emission.
• The findings contribute to a deeper understanding of stimulated emission processes in molecules.
• Accurate data on nitrogen laser lines can aid in the development of new laser technologies.