Statements (27)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gas laser
|
gptkbp:category |
astronomer
continuous wave laser |
gptkbp:coherence_length |
tens of centimeters
|
gptkbp:emits_light_at_wavelength |
632.8 nm
|
gptkbp:emits_visible_light |
true
|
https://www.w3.org/2000/01/rdf-schema#label |
helium-neon laser
|
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 |
holography
alignment barcode scanners laboratory demonstrations |
gptkbp:uses_gas_mixture |
gptkb:helium
gptkb:neon |
gptkbp:bfsParent |
gptkb:Ali_Javan
|
gptkbp:bfsLayer |
5
|