发明名称 |
FORFARANDE FOR UNDERTRYCKNING AV OONSKADE RESONANSSVENGNINGSMODER I ETT RINGLASERGYROSKOP SAMT OPTISKT SYSTEM FOR GENOMFORANDE AV FORFARANDET |
摘要 |
In an optical system such as a ring laser gyroscope cavity, oscillations occur in many transverse modes. The desired modes are allowed to exist by suppressing undesired modes utilizing a light stop apparatus. One light stop is made by treating a dielectric mirror with an electron beam causing a phase change to occur to the undesired reflected waves. An alternative light stop is made by depositing an absorptive material on a dielectric mirror for absorbing some of the energy of the undesired modes. Both light stop embodiments are adjustable with respect to a laser wave in a resonant cavity. |
申请公布号 |
SE451889(B) |
申请公布日期 |
1987.11.02 |
申请号 |
SE19820003079 |
申请日期 |
1982.05.17 |
申请人 |
RAYTHEON COMPANY |
发明人 |
M S * PERLMUTTER;K H * BRAUN |
分类号 |
H01S3/083;G01C19/64;G01C19/66;G01P3/36;H01S3/08;H01S3/098;(IPC1-7):G01C19/64 |
主分类号 |
H01S3/083 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|