Patent ID: 9651017
Date: 2017-05-16
CPC Classifications: F02P,H01S

Claim:
1. A laser ignition device for an internal combustion engine, comprising: a laser device, integrated directly into a laser spark plug, the laser device having a laser-active solid body and a passive Q-switch; and a pump light source to optically pump the laser device, the pump light source including a plurality of vertical cavity surface-emitting semiconductor lasers (VCSEL); a light-conducting device via which pump radiation generated by the pump light source is radiated into the laser device; wherein the light-conducting device has one of the following shapes: cone, prism, cuboid, pyramid, or cylinder, wherein the light-conducting device is at least partially formed from at least one of glass, crystalline, and ceramic material, and wherein the light-conducting device contacts at least one of the pump light source and the laser device, one of directly or with the aid of a contact medium.