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Laser Speed of Light Project/Receiver
Easily set-up project for measuring the speed of light using a laser

In the last few years, lasers have become invaluable tools in thousands of industrial, scientific, medical and communications applications. This project, in several individual experiments, demonstrates a laser's unique ability to perform a variety of tests with deceptive ease.

110-VAC operation - no more dead batteries.

Included in the kit are: optical beam splitter; first-surface mirror; converging lens; optics mounts; electronic control/receiver box with 2-channel receiver and 1 MHz oscillator; 110 VAC-to-DC power adapter; optics table; and a step-by-step instruction book

NOTE: Not included but required for operation are a modulated laser and a dual-channel 40 MHz oscilloscope.

  Laser Speed of Light Project/Receiver

Part Number: IF LSL1 
Price: $275.00
Instruction Guide
Quantity


Replacement Parts are available.

Laser suited for this project

Class II .8 mW Video Diode Laser
IF VL08 635


Activity:

  • Measuring the speed of light
220 VAC option available upon request.

LASER CLASSIFICATIONS

All manufacturers of lasers used in the United States, must conform to regulations administered by the Center for Devices and Radiological Health (CDRH), a branch of the U.S. Department of Health and Human Services. CDRH categorizes lasers as follows:

 Class 1

A laser or laser system which does not present a hazard to skin or eyes for any wavelength or exposure time. Exposure varies with wavelength. For ultraviolet, .2 to .4m exposure is less than from .8 or near IR, the exposure is < 200w. Consult CDRH regulations for specific information.

 Class 2

Any visible laser with an output less than 1 mW of power. Warning label requirements yellow caution label stating maximum output of 1 mW. Generally used as classroom lab lasers, supermarket scanners and laser pointers.

 Class 3a

Any visible laser with an output over 1 mW of power with a maximum output of 5 mW of power. Warning label requirements red danger label stating maximum output of 5 mW. Also used as classroom lab lasers, in holography, laser pointers, leveling instruments, measuring devices and alignment equipment.

 Class 3b

Any laser with an output over 5 mW of power with a maximum output of 500 mW of power and all invisible lasers with an output up to 400 mW. Warning label requirements red danger label stating maximum output. These lasers also require a key switch for operation and a 3.5-second delay when the laser is turned on. Used in many of the same applications as the Class IIIa when more power is required.

 Class 4

Any laser with an output over 500 mW of power. Warning label requirements red danger label stating maximum output. These lasers are primarily used in industrial applications such as tooling, machining, cutting and welding. Most medical laser applications also require these high-powered lasers.