| ReturnTo Theme-Group-Choice | Onelevelup |
| 5F071 | Lasers | |
| H01S3/03 -3/038@Z;3/097-3/0979;3/104;3/134;3/22-3/227 | ||
| H01S3/03-3/038;3/097-3/0979;3/104;3/134;3/22-3/227 | AA | AA00 TYPES OF LASER MEDIA |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | |||
| . Helium-neon (He-Ne) series | . Rare-gas-ion series | . Metallic-ion and metal-vapor series | . Molecular-gas series | . . Use of carbon dioxide (CO2) | . Excimers | . Other laser media | ||||||
| BB | BB00 ADJUSTMENT OF THE QUALITY OF THE LASER MEDIA |
BB01 | BB02 | BB03 | BB04 | BB05 | ||||||
| . Additives | . Refinement methods | . . Elimination of impurities | . . . Getters | . Other mechanisms for adjusting quality | ||||||||
| CC | CC00 ELECTRODE STRUCTURES |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC09 | CC10 | |
| . Cathodes | . . Hollow cathodes | . Anodes | . Alternating current (AC) electrodes | . Auxiliary electrodes | . . Trigger electrodes | . Electrodes constructed for cooling | . Electrodes constructed for improved durability | . Electrodes constructed to prevent sputtering | . Other electrode structures | |||
| DD | DD00 TUBE STRUCTURES EXCLUSIVE OF THE ELECTRODE |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | |||
| . Tubes | . Magnetic fields | . . Generation of the magnetic field | . Optical parts and supports therefor | . . Mirrors and supports therefor | . . Windows and supports therefor | . . Structures for prevention and elimination of optical contamination | . Other tube structures | |||||
| EE | EE00 STRUCTURES RELATED TO GAS FLOW |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE08 | |||
| . Sealing | . Variants with gas flow in the direction of the optical axis (i.e., axial flow) | . . Variants with three openings for gas outflow | . Variants with gas flow at right angles to the optical axis (i.e., cross-flow) | . . Passage of traveling waves through the active medium | . Variants that gas flow into the laser tube | . . Emission of gas from a nozzle at supersonic speed (i.e., gas dynamic lasers) | . Other gas flow structures | |||||
| FF | FF00 APPARATUS MATERIALS AND QUALITY THEREOF |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | ||
| . Electrde materials and quality thereof | . . Conductors | . . Electrode coatings | . . Dielectrics for the electrode or coating | . Tube materials and quality thereof | . . Dielectrics | . Window materials and quality thereof | . Mirror materials and quality thereof | . Materials for other aparatuses and quality thereof | ||||
| GG | GG00 DISCHARGE CIRCUITS |
GG01 | GG02 | GG03 | GG04 | GG05 | GG06 | GG07 | GG08 | GG09 | ||
| . Alternating- current (AC) circuits | . . High-frequency circuits | . Inductive- or capacitive-excitation circuits | . Auxiliary and spare ionization circuits | . Pulse circuits | . Circuits for applying base current (e.g., simmer circuits) | . Circuits for starting oscillation (e.g., lighting circuits) | . Capacitance (C) and resistance (R) circuits located inside the discharge tube or the vicinity thereof | . Other discharge circuits | ||||
| HH | HH00 OUTPUT CONTROL |
HH01 | HH02 | HH03 | HH04 | HH05 | HH06 | HH07 | HH08 | HH09 | ||
| . Control using the medium | . Detection means for output control | . Control circuits | . . Current control | . . Frequency control | . . Amplitude control | . . Pulse-generation control | . Sequential control | . Other output control | ||||
| JJ | JJ00 PURPOSE, EFFECTS, AND FUNCTIONS |
JJ01 | JJ02 | JJ03 | JJ04 | JJ05 | JJ06 | JJ07 | JJ08 | JJ09 | JJ10 | |
| . Miniaturization | . Enhanced oscillation efficiency | . Extended use-life and durability improvement | . Increased output | . Stabilization and prevention of abnormal operation | . . Compensation for or prevention of thermal deformation | . Handling of high repetition rates | . Cost savings | . Improved reliability | . Other purposes, effects, or functions |