Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:gas_laser
|
| gptkbp:category |
gptkb:astronomer
continuous wave laser |
| gptkbp:coherence_length |
tens of centimeters
|
| gptkbp:emits_light_at_wavelength |
632.8 nm
|
| gptkbp:emits_visible_light |
true
|
| gptkbp:inventedBy |
gptkb:Ali_Javan
gptkb:Donald_R._Herriott gptkb:William_R._Bennett,_Jr. 1961 |
| gptkbp:lifespan |
thousands of hours
|
| gptkbp:operates_at_power |
typically 1-100 mW
|
| gptkbp:output_beam_color |
red
|
| gptkbp:polarization |
linear
|
| gptkbp:principle |
stimulated emission
|
| gptkbp:requires_electrical_discharge |
true
|
| gptkbp:typical_tube_diameter |
1.5-2.5 cm
|
| gptkbp:typical_tube_length |
10-50 cm
|
| gptkbp:used_in |
gptkb:alignment
holography barcode scanners laboratory demonstrations |
| gptkbp:uses_gas_mixture |
gptkb:helium
gptkb:neon |
| gptkbp:bfsParent |
gptkb:Ali_Javan
|
| gptkbp:bfsLayer |
5
|
| http://www.w3.org/2000/01/rdf-schema#label |
helium-neon laser
|