Vernier Laser Pointer

Vernier Laser Pointer manual

  • 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.
    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 (503) 277-2299 FAX (503) 277-2440
    Printed on recycled paper.
Vernier Laser Pointer

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Vea el manual de Vernier Laser Pointer aquí, de forma gratuita. Este manual pertenece a la categoría Punteros láser y ha sido calificado por 1 personas con un promedio de 9.6. Este manual está disponible en los siguientes idiomas: Engels. ¿Tiene alguna pregunta sobre Vernier Laser Pointer o necesita ayuda? Haz tu pregunta aquí

Especificaciones de Vernier Laser Pointer

Marca Vernier
Modelo Laser Pointer
Producto Puntero láser
EAN 783537040120
Idioma Engels
Tipo de archivo PDF
Detalles técnicos
Longitud de onda 650 nm
Contenido del embalaje
Pilas incluidas Si
Control de energía
Tipo de batería AAA
Numero de baterías soportadas 2
Pantalla incorporada No
Color del producto Negro

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