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Laser Speed of Light Project with laser 0.8 Class II
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.

The modulated laser included with this kit can also be utilized for hundreds of other classroom and real-life projects. The instruction manual contains detailed instructions and diagrams that describe equipment set-up, as well as a historical journey into efforts to measure the speed of light. This is a great opportunity to learn not only about new technology, but also the very human history behind it.

Not included but required for operation is a dual-channel 40 MHz oscilloscope.

  Laser Speed of Light Project with laser

Part Number: IF 546 
Price: $650.00
IF LSL 1 Instruction Guide
Quantity


220 VAC option available upon request.


IF ULR Operators Manual
Project includes

Class II .8 mW Video Diode Laser
IF VL08 635



Included in the kit are: .8 mW diode laser, 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 step-by-step instruction book.

Activities include:

  • Measuring the speed of light

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.


 Specifications
 CDRH Classification  Class II
 Polarization  Linear
 Laser Emission Color  Red
 Laser Mode  TEM00
 Operating  Unit  Value
 Input Voltage  V 12 - 18
 Input Current  mA 60 - 125
 Wavelength  nm  635
 Optical Output Power, Nominal  mW  0.8
 Power, (min/max)  mW  .7 / .9
 Beam Diameter  mm  4
 Beam Divergence  mRad  1.00
 Digital Modulation  MHz 20 M
 Analog Modulation  Hz to MHz 100 - 10 M
 Mechanical  Unit  Value
 Operating Temperature  ° C  0 to 40
 Housing  cm  5.6 X 7.5 X 22