Laser principle experimental instrument-TWGL-III

Spherical scanning interferometer to analyze laser modes.

Classification:

Modern Optical Series

Key words:

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Description

Experiment content:
Laser cavity adjustment.
Resolution and measurement of laser longitudinal modes.
Instrument features:
Spherical scanning interferometer to analyze laser modes.
Complete set of equipment:
Collimation precision guide rail, left cavity mirror (concave mirror) plus adjustment bracket, right cavity mirror (plane mirror) plus adjustment bracket, collimation laser and power controller, laser discharge tube and power controller, laser power detector, spherical scanning interferometer, F-P etalon, oscilloscope (optional).
Main technical indicators:
The length of the guide rail is 1000mm.
Gas discharge tube with Brewster angle length 330mm,
Output power ≤ 3mW, mode: fundamental mode multimode, work
Voltage: DV = 2500V.
Collimated laser tube length 300mm, output power <5mW mode: TEM00, working voltage: DV = 2000V,
Operating current: DC = 5mA.
Spherical cavity mirror R = 700mm.
Laser power meter measuring range: 0~3mw.
confocal spherical F-P interferometer:
Working wavelength: = 600 ~ 660nm,
Cavity length: L = 41mm,
Free spectral range: 1.83GHZ,
Fineness: ≥ 120,
PZT parameter D33: about 1.7nm/v.
sawtooth wave generator:
Sawtooth wave amplitude: 0~120V adjustable:
DC voltage: 0~80V adjustable,
Sawtooth wave frequency: 10~40HZ adjustable.