| H | Sektion H — Elektrotechnik | SECTION H — ELECTRICITY |
 | H01 | Grundlegende elektrische Bauteile | BASIC ELECTRIC ELEMENTS |
 | H01S | Vorrichtungen, die stimulierte Emission verwenden | DEVICES USING STIMULATED EMISSION |
 | H01S 5/00 | Halbleiterlaser [7] | Semiconductor lasers [7] |
| H01S 5/10 | | . | Aufbau oder Form des optischen Resonators [7] |
| | . | Construction or shape of the optical resonator [7] |
|
| H01S 5/18 | | . . | Oberflächenemittierende Laser [surface-emitting laser = SE-Laser] [7] |
| | . . | Surface-emitting lasers (SE-lasers) [7] |
|
| H01S 5/187 | | . . . | mit Bragg-Reflektor [surface-emitting distributed Bragg reflector laser = SE-DBR-Laser] (H01S 5/183 hat Vorrang) [7] |
| | . . . | using a distributed Bragg reflector (SE-DBR-lasers) (H01S 5/183 takes precedence) [7] |
|