Vernier Laser Pointer Handleiding
Vernier
Laserpointer
Laser Pointer
Lees hieronder de 📖 handleiding in het Nederlandse voor Vernier Laser Pointer (1 pagina's) in de categorie Laserpointer. Deze handleiding was nuttig voor 52 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
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Laser Pointer
(Order Code LASER)
The Alpec Laser Pointer is a Class IIIa diode laser with a power of less than 5 mW.
The laser has a wavelength between 630 and 680 nm and is powered by two AAA
batteries which are included. A touch button can be found on the side of the pointer.
Press this button to turn the laser on.
Lasers and laser pointers have many uses in science courses:
The Laser Pointer has many uses when combined with the Vernier Photogate. The
Vernier Photogate has two detectors. One detector, on the inside of the photogate,
allows you to use the photogate in a normal arrangement; e.g. measure the time
that the gate is blocked as an object passes through the photogate. The second
detector on the outside of the photogate can be used with a laser to produce a gate
that is wider than the normal 7.5 cm spacing. This wide photogate has many
applications. For example:
o You can set up a photogate wide enough to measure the speed of an
automobile or a person. You could even measure hand speed during a
karate chop.
o You can set up a photogate and the Laser Pointer close to the ground. A
person standing in the beam will block the gate. When he jumps vertically,
his hang time can be measured by the unblocking of the photogate.
o Using the arrangement described above, you could drop a ball into the laser
beam. As it bounces in the beam, you can use the blocking and unblocking
events to calculate the coefficient of restitution and dwell time.
o You can verify the shutter speed of a film camera by letting the beam pass
through the lens and out the back of the camera.
o You can measure the speed of a motor by determining the interruptions of a
beam caused by the light passing through spokes in a wheel.
The Laser Pointer can be used with interference kits to observe interference
patterns. When used with a data collection interface and sensors, intensity patterns
can be recorded. A simple way to do this was described by Andrew DePino Jr. in
The Physics Teacher (“Diffraction Patterns Using a Constant Velocity Cart”, The
Physics Teacher, 40, 418-419 (October 2002). In the article, he describes how to
attach a Vernier Light Sensor to a constant velocity car. As the car moves
perpendicularly through the beam, the graph of light intensity vs. time
approximates a graph of light intensity vs. distance. To take the experiment one
step further, you can directly measure light intensity vs. distance data by
combining a Light Sensor with a Rotary Motion Sensor.
Use the Laser Pointer to observe laser radiation. The radiation can be made
visible in air by clapping two chalkboard erasers in the beam to create a cloud of
reflecting particles.
Caution - As with any laser, caution must be exercised when using the laser pointer.
The Laser Pointer emits laser radiation, and therefore, should not be pointed at the
eye. Pay special attention to the location of the aperture, which is on the same end of
the pointer as the clip. A caution label can also be found on this end of the pointer.
Direct eye contact with the laser beam may cause serious injury. Students should be
reminded that this is not a toy, and it should be kept out of reach of children.
Battery Installation
To install the batteries, remove the end cap of the pointer (the end opposite the
aperture). Install the 2 AAA batteries with the positive (+) end of the batteries
pointing toward the open end of the case. After replacing the end cap, test the pointer
by pointing the aperture toward a wall and pressing the ON/OFF touch button on the
side of the pointer.
Accessories
A Laser Pointer Stand is available from Vernier Software & Technology (order code
STAND, $14). The stand provides a convenient way to mount the Laser Pointer. It
holds the laser in place and even holds the power button down for ease of use during
an experiment.
Vernier Software & Technology
13979 S.W. Millikan Way Beaverton, OR 97005-2886
Toll Free (888) 837-6437 FAX (503) 277-2440 (503) 277-2299
info@vernier.com www.vernier.com
Rev.8/2/11
Printed on recycled paper.
Product specificaties
Merk: | Vernier |
Categorie: | Laserpointer |
Model: | Laser Pointer |
Kleur van het product: | Zwart |
Ingebouwd display: | Nee |
Ondersteund aantal accu's/batterijen: | 2 |
Golflengte: | 650 nm |
Batterijen inbegrepen: | Ja |
Type batterij: | AAA |
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