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| 5F072 | Lasers (2) | |
| H01S3/00 -3/02;3/04-3/095@Z;3/098-3/102;3/105-3/131;3/136-3/20@Z;3/23-4/00 | ||
| H01S3/00-3/02;3/04-3/095@Z;3/098-3/102;3/105-3/131;3/136-3/20@Z;3/23-4/00 | AA | AA00 TYPES OF GAS LASER MEDIA |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | |||
| . Helium-neon (He-Ne) media | . Rare-gas ions | . Metal ions and metal vapors | . Molecular gases | . Carbon dioxide (CO2-He-N2) | . Excimer lasers | . Other gas laser media | ||||||
| AB | AB00 TYPES OF SOLID LASER MEDIA |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | ||
| . Yttrium-aluminum-garnet (YAG) media | . . Media that contain neodymium ions | . Forsterite | . Rubies | . Alexandrite | . Diamonds | . Glass | . . Glass that contains neodymium ions | . . Glass that contains erbium ions | ||||
| AB11 | AB12 | AB13 | AB14 | AB15 | AB20 | |||||||
| . Gadolinium-gallium-garnet (GGG) media | . Plastics | . Semiconductors | . Superconductors | . Yttrium-lithium-fluoride (YLF) media | . Other solid laser media | |||||||
| AC | AC00 TYPES OF LASER MEDIA OTHER THAN GASES AND SOLIDS |
AC01 | AC02 | AC10 | ||||||||
| . Liquid laser media | . . Coloring agents (e.g., dyes) | . Other laser media | ||||||||||
| AK | AK00 SHAPE OF SOLID LASER MEDIA |
AK01 | AK03 | AK04 | AK06 | AK07 | AK09 | AK10 | ||||
| . Rods, columns, or cylinders | . Slabs, plates, or square columns | . . Variants in which multiple media are stacked | . Fibers | . Thin-films | . Shape of end surfaces | . Other shapes of solid laser media | ||||||
| FF | FF00 MATERIALS OR CHARACTERISTICS OF DEVICES |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | ||
| . Materials or properties of electrodes | . . Conductive sections | . . Coating | . . Dielectrics | . Materials or properties of tubes | . . Dielectrics | . Materials or properties of windows | . Materials or properties of mirrors | . Other materials or properties of devices | ||||
| GG | GG00 ELECTRIC CIRCUITS |
GG01 | GG02 | GG03 | GG04 | GG05 | GG06 | GG07 | GG08 | GG09 | ||
| . Alternating-current (AC) circuits | . . High-frequency circuits | . Inductive or capacitive excitation circuits | . Auxiliary or extra ionization circuits | . Pulse circuits | . Circuits for providing base current or voltage (e.g., shimmer circuits) | . Circuits that start oscillation (e.g., trigger circuits or lighting circuits) | . Capacitance or resistance circuits in discharge tubes or in the vicinity thereof | . Other electric circuits | ||||
| HH | HH00 OUTPUT CONTROL |
HH01 | HH02 | HH03 | HH04 | HH05 | HH06 | HH07 | HH08 | HH09 | ||
| . Control of media | . Sensing for control | . Control circuits | . . Current control | . . Frequency control | . . Amplitude control | . . Pulse-generation control | . Sequential control | . Other output control circuits | ||||
| JJ | JJ00 PURPOSE, EFFECTS, AND FUNCTIONS |
JJ01 | JJ02 | JJ03 | JJ04 | JJ05 | JJ06 | JJ07 | JJ08 | JJ09 | ||
| . Miniaturization | . Improved efficiency | . Extension of life or improved durability | . Increased output levels or amounts | . Stabilization, or prevention of abnormalities | . . Measures to compensate for or prevent thermal deformation | . Accommodation of a large number of repetitions | . Improved economic characteristics | . Improved reliability | ||||
| JJ11 | JJ12 | JJ13 | JJ20 | |||||||||
| . Safety measures | . Ease of manufacture | . Provision for narrower bands of output light | . Other purposes, effects, or functions | |||||||||
| KK | KK00 OPTICAL DEVICES |
KK01 | KK02 | KK03 | KK04 | KK05 | KK06 | KK07 | KK08 | KK09 | ||
| . External mirror resonators | . Internal mirror resonators | . Stable resonators | . Unstable resonators | . Mirror reflectors | . . Resonator mirrors | . Diffraction gratings | . Etalons | . Apertures | ||||
| KK11 | KK12 | KK13 | KK14 | KK15 | KK16 | KK17 | KK18 | |||||
| . Non-linear optical elements | . . Harmonic generating elements | . Pockels cells | . Kerr cells | . Beam splitters or half mirrors | . Windows | . . Aerodynamic dynamic output windows | . Lenses or prisms inside resonators | |||||
| KK21 | KK22 | KK24 | KK26 | KK30 | ||||||||
| . Devices for prevention or removal of contamination from optical devices | . . Optical covers | . Support of optical devices | . Coatings | . Other optical devices | ||||||||
| LL | LL00 RING-LASER DEVICES |
LL01 | LL02 | LL03 | LL04 | LL07 | LL08 | LL09 | ||||
| . Measures to prevent lock-in | . . Moving mirrors | . . Moving of the entire ring laser | . . Other parts that move | . Number of reflective surfaces in the entire ring laser | . . Three locations | . . Four locations | ||||||
| LL11 | LL12 | LL13 | LL14 | LL16 | LL17 | LL18 | LL19 | LL20 | ||||
| . Number of movable reflective surfaces | . . One location | . . Two locations | . . Three or more locations | . Variants wherein the waveguides or light guides are solid | . . Variants that use optical fibers | . . Thin-film types | . . Active types | . Other ring laser devices | ||||
| MM | MM00 LIGHT ADJUSTMENT, MODULATION, DRIVING, AND SCANNING |
MM01 | MM02 | MM03 | MM04 | MM05 | MM06 | MM07 | MM08 | MM09 | ||
| . Attenuation | . . Use of polarization | . Modulation | . On/off control | . . Use of shutters | . . . Choppers | . Beam synthesis | . Enlargement or reduction of the light path or beam diameter or width | . Heads for machining | ||||
| MM11 | MM12 | MM13 | MM14 | MM15 | MM16 | MM17 | MM18 | MM19 | MM20 | |||
| . Adjustment in the position of the reflectors, and driving or scanning thereof | . . Automatic adjustment, driving, or scanning | . . Use of micrometers | . . Variants with centers that rotate on reflective surfaces | . . Objects that are adjusted, driven, or scanned | . . . Resonator mirrors | . . . Bent mirrors located in light paths | . . . Diffraction gratings | . . . Gap holders | . Other light adjustment, modulation, driving, or scanning | |||
| PP | PP00 EXCITATION, PRE-IONIZATION, AND AUXILIARY IONIZATION |
PP01 | PP02 | PP03 | PP04 | PP05 | PP06 | PP07 | PP09 | PP10 | ||
| . Use of lamps | . Use of electron beams | . Use of ultraviolet rays | . Use of x-rays | . Use of microwaves | . Use of light radiated by synchrotrons | . Use of light emitted by semiconductor elements | . Means for producing uniformity | . Other excitation, pre-ionization, or auxiliary ionization | ||||
| QQ00 LIGHT GENERATION BY MEANS OF NON-LINEAR OPTICS |
QQ01 | QQ02 | QQ03 | QQ04 | QQ05 | QQ06 | QQ07 | |||||
| . Wavelength conversion | . . Higher-order harmonics | . . Conversion of optical parameters | . . Optical mixing | . . Stokes or anti-Stokes conversion | . . Induction scattering | . . . Raman scattering | ||||||
| QQ11 | QQ12 | QQ13 | QQ20 | |||||||||
| . Phase-conjugation waves | . Optical bistability | . Super-radiance | . Light generation by means of other non-linear optics | |||||||||
| RR | RR00 LIGHT-EMITTING REGIONS |
RR01 | RR03 | RR05 | RR07 | RR10 | ||||||
| . Infrared regions | . Visible-light regions | . Ultraviolet regions | . X-ray regions | . Other light-emitting regions | ||||||||
| SS | SS00 LIGHT-OUTPUT STATES |
SS01 | SS02 | SS04 | SS06 | SS07 | SS08 | SS10 | ||||
| . Single mode output | . Multi-mode output | . Ring shapes | . Pulsed output | . . Solitons | . . Ultra-short pulses | . Other light output states | ||||||
| TT | TT00 TEMPERATURE REGULATION, COOLING, AND TEMPERATURE CONTROL |
TT01 | TT02 | TT03 | TT04 | TT05 | ||||||
| . Use of liquids | . Use of gases | . . Use of radiation fins | . Use of heat pipes | . Heat exchangers | ||||||||
| TT11 | TT12 | TT13 | TT14 | TT15 | TT16 | TT17 | TT18 | TT19 | ||||
| . Objects that are controlled directly | . . Optical components | . . . Mirrors or diffraction gratings | . . . Support sections for optical components | . . . Light sources for excitation | . . Laser tubes (i.e., including oscillator sections) | . . . Capillary tubes | . . . Support sections for laser tubes | . . Gas-feed paths or gas paths | ||||
| TT22 | TT23 | TT24 | TT25 | TT27 | TT28 | TT29 | TT30 | |||||
| . . Laser media | . . Electrodes | . . . Support sections for electrodes | . . Power-source circuits | . Temperature control | . . Constant-temperature control | . . Temperature-control circuits | . Other temperature regulation, cooling, or temperature control | |||||
| YY | YY00 APPLICATIONS |
YY01 | YY02 | YY03 | YY04 | YY05 | YY06 | YY07 | YY08 | YY09 | ||
| . Medical treatment | . . Laser knives | . Isotope separation | . . Uranium enrichment | . Nuclear fusion | . Working | . . Markers | . . Semiconductor manufacture | . . . Light exposure | ||||
| YY11 | YY12 | YY13 | YY15 | YY16 | YY17 | YY20 | ||||||
| . Measurement | . . Measurement of angular velocity | . . Measurement of distance, or radar | . Transmission of information | . . Optical disks | . . Amplification of data signals | . Other applications |