Pasco OS-9171 Laser with the OS-9172 Alignment Bench Manuel d'utilisateur télécharger pdf

Instruction Sheet

Aligning the PASCO Model OS-9171 Laser with the

OS-9172 Alignment Bench

The Helium Neon Laser

The helium neon laser is a 0.5 mW, TEM

mode laser,

providing randomly polarized light at a wavelength of 632.8

nm. The built-in power supply is regulated so the output has

minimum ripple and the intensity is stable to within ±2.5%.

A 15 minute warm up is required to reach full power, but the

power on start-up is greater than 0.35 mW. If you'd like

more technical specifications, and a detailed explanation of

laser operation, see the instruction manual that's included

with the laser.

Caution: This is a relatively safe, low power

laser. Nevertheless, we strongly recommend the

following precautions:

1. Never look into the laser beam, either directly, or

as it is reflected from a mirror.

2. Set up experiments so the laser is either above or

below eye level (for both sitting and standing

people).

To Set Up the Laser using the Laser Alignment

Bench:

The laser is most conveniently aligned using the laser

alignment bench, which can be joined to the optics bench

using the bench couplers. The procedure is as follows:

1. Place the optics bench and the laser alignment bench

end to end, as shown in Figure 1. Notice that only one

end of the laser alignment bench has holes for two

leveling screws. That is the end that joins to the optics

bench.

2. Remove the four leveling screws on the adjoining ends

of the two benches.

3. Use the 1/4-20, hex-head screws that are included with

the bench couplers to attach the couplers to the legs of

the benches, as shown. Do not yet tighten the screws.

4. Insert one of the leveling screws, rubber foot down,

through the threaded hole in each coupler.

Figure 1 Connecting the Laser Alignment Bench

Laser

alignment

bench

Top View of Bench Coupler

Bench coupler

Leveling Screw

and lock-nut

1/4 20

hex-head

screw

Optics

bench

Optics bench

012-01562C

9/91

$1.00

Bench coupler

(one each side)

Laser alignment bench

Leveling screw

1 2

OS-9172 Alignment Bench 1
012-01562B 2

Résumé du contenu

Page 1 - OS-9172 Alignment Bench

Instruction SheetAligning the PASCO Model OS-9171 Laser with the OS-9172 Alignment BenchThe Helium Neon LaserThe helium neon laser is a 0.5 mW, TEM00

Page 2 - 012-01562B

scientific2012-01562B5. By adjusting all five leveling screws (one on the laseralignment bench, two on the optics bench, and two onthe bench couplers)

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Pasco OS-9171 Laser with the OS-9172 Alignment Bench Manuel d'utilisateur

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