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Helium Neon laser
  1. Geometrical optics
  2. Dispersion and chromatics
  3. Wave optics
  4. Polarization
  5. Light intensity
  6. Velocity of light
  7. Photonics

Helium Neon laser

VP5.8.5.5
Helium Neon laser
Helium Neon laser

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 This experiment/set up contains dangerous goods.
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Description

The experiment P5.8.5.5 realises a Helium Neon laser from basic parts. The open frame cavity allows the variation of parameters to measure the beam profile for different cavity mirror configurations and distances. The laser tube is equipped with a Brewster's window on both sides allowing the study of polarisation and losses. Optionally, a Littrow prism selects other wavelengths than the main laser line at 632 nm, especially the orange line at 611 nm. Further line tuning is demonstrated by means of the optional birefringent tuner. 4 different lines can be demonstrated by this element. An etalon is used to obtain the single mode operation of the Helium Neon laser.

Components of equipment sets

1 4745242  8  Laser Mirror OC 632, flat, M16 Mount LD
1 4745243  8  Laser Mirror VIS 700, M16 Mount LD
1 4745244 Laser Mirror VIS 1000, M16 Mount LD
1 4745246  8  Laser Mirror, flat, M16 Mount LD
1 474113  8  Laser Mirror Adjustment Holder, left LD
1 474114  8  Laser Mirror Adjustment Holder, right LD
1 474141 Single Mode Etalon, Adjustmend Holder LD
1 474137 Spatial filter with adjustable iris LD
1 4741082 Module G (SiPIN) photodetector on swivel arm LD
1 531183  8  Digital multimeter 3340 LD
1 57524  4  Screened cable, BNC/4 mm Plug LD
1 50110  4  BNC adapter, straight LD
1 474303  8  HeNe Laser High Voltage supply, adjustable LD
1 474127 Main Laser Tube with XY-Adjustment LD
1 4745422  4  Pilot laser 532 nm (green) LD
1 4745445 Profile Rail 1000 mm LD
1 474122 Optics cleaning set LD
1 6719700  4  Ethanol, absolute, 250 ml LD
GHS02GHS07 Danger H225 H319
2 474251  8  Transport and Storage Box #01 LD
1 4747104  4  LIT-print: HeNe Laser LD
1 474126  4  * Littrow prism with adjustment holder LD
1 474142 * Birefringent tuner LD
2 4745245 * Laser Mirror IR 713, M16 Mount LD
1 4744025  4  * IR converter screen  800 - 1400 nm LD
2 471828  4  * Adjustment goggles for He-Ne-laser LD

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

Experiment Instructions

YouTube-Video YouTube-Video LEYBOLD Photonics - How to align a Helium-Neon Laser
PDF (Experiment description) PDF (Experiment description) P5.8.5.5 Helium Neon laser
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Physics
Chemistry
Biology
Technology

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