Difference between revisions of "Lab equipment"
From mn/astro/heliostat
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| + | <h2> Lasers </h2> | ||
| + | <h3> Laser: connected with fiber </h3> | ||
| + | <ul><li>Description: laser connected with fiber to collimator tube. | ||
| + | </li><li>Class: IIIb (3B), 5 mW. Note: when used with the collimator tube the effective output is below class II, i.e. no risk for the eye.<br /> | ||
| + | </li><li>Wavelength: 635 nm. | ||
| + | </li></ul> | ||
| + | <h3> Laser: stick </h3> | ||
| + | <ul><li>Description: black, long thick stick, He-Ne laser. | ||
| + | </li><li>Class: II, 0.95 mW. | ||
| + | </li></ul> | ||
| + | <h3> Laser: small tube </h3> | ||
| + | <ul><li>Description: small laser powered by 4.5 V flat battery. | ||
| + | </li><li>Class: IIIa (3R), about 4.5 mW. | ||
| + | </li></ul> | ||
Revision as of 12:05, 6 September 2010
Contents
Lenses
| Type | Focal length | Diameter | Height of center | |
|---|---|---|---|---|
| Telescope lens | Achromatic air spaced doublet | 1200 mm | 150 mm | ~163.5 mm |
| Collimator lens | Achromatic doublet | 1827 mm | 203 mm | ~163.5 mm |
| Imaging lens | Achromatic air spaced doublet | 1200 mm | 150 mm | ~163.5 mm |
| Singlet lens | Thin singlet lens | ~300 mm | ~50 mm | |
| Doublet lens | Thick achromatic doublet lens, focal length written on edge | ~100 mm | ~50 mm | |
| Doublet lens | Thick achromatic doublet lens | ~300 mm | ~50 mm | |
| Compound lens | For illustration of coma | ~50 mm | ||
| Compound lens | For illustration of transversal chromatic aberrtion, aperture at rear end | ~50 mm | ||
| Barrel lens | Missing screw thread in middle, focus ~5 mm behind | ~2.2 mm |
Light sources
Lasers
Laser: connected with fiber
- Description: laser connected with fiber to collimator tube.
- Class: IIIb (3B), 5 mW. Note: when used with the collimator tube the effective output is below class II, i.e. no risk for the eye.
- Wavelength: 635 nm.
Laser: stick
- Description: black, long thick stick, He-Ne laser.
- Class: II, 0.95 mW.
Laser: small tube
- Description: small laser powered by 4.5 V flat battery.
- Class: IIIa (3R), about 4.5 mW.
