Laser beam analysis

Laser beam analysis
Laser beam analysis Optical setup of a semiconductor laser diode (P5.8.8.6)
Laser beam analysis Cross section of the laser beam (P5.8.8.6)
Laser beam analysis

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In experiment P5.8.8.6 two different visible lasers plus collimating and expanding optics are used to demonstrate a variety of beam profile measurements with various beam shaping arrangements to show the possibilities of laser beam forming. The most important property of a laser beam is the intensity distribution in the beam.
The beam profiler is no CDD type, but a knife edge type: A precise knife edge is moved through the cross-section of the laser beam. As the blade moves across the beam, it is cut from reaching the photodetector. Using several knives with different angles on one rotating drum, the beam profile can be calculated from the time responses when the knives pass through the beam.

Components of equipment sets

1 4741036 Collimating Optics on Carrier LD
1 4745266 Collimating cylindrical lens f = 20 mm LD
1 4745267 Collimating cylindrical lens f = 80 mm LD
1 4745263 Beam expander 6x LD
1 4745470 Beammaster BM-7S LD
1 4745418 Diode Laser Module 532 nm LD
1 4745420 Dimo diode laser module, 630 nm (red) LD
1 4745442  4  Profile rail 500 mm LD
3 474209  8  Mounting Plate C25 with Carrier 20 mm LD
1 474211 Adjustment holder, 4 axes, continuous opening LD
1 474251  8  Transport and Storage Box #01 LD
1 4747117  4  LIT: Laser beam analysis LD
1 additionally required:
PC with Windows 7 or higher
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.

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