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PFG-01 Holographic Film Kit

Contains 10 precut sheets of PFG-01 holographic film. This fine-grained red sensitive holographic film has an average grain size of 40 nm, resulting in a resolving power of more than 3000 lines per mm. Its spectral sensitivity range is 600-680nm, so it can be used with helium neon lasers (632.8 nm) or diode lasers (635 or 650 nm). The film can be used to record transmission or reflection holograms. In the first type, the hologram is viewed by shining laser light through the image and viewing it from the side opposite the light source. The second type uses an illumination source on the same side of the hologram as the viewer.

The kit contains six 56 x 67 mm sheets of film for recording small holograms and two 75 x 100 mm sheets for larger ones. It also contains two 50 x 250 mm strips of the film for recording cylindrical holograms.

  PFG-01 Holographic Film Kit

Part Number: 45-636A 
Price: $45.00
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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.