laser ring gyros

[prasanna]

can some one simply explain the working of a laser ring gyro. I thought light velocity was constant and cannot change , so how do these gyros work? My physics isnt up to date , so simple explanations will be appreciated !

[Bally Heck]

Try this prassana.

<a href="http://www.spie.org/web/oer/september/sep96/gyro.html" target="_blank">Laser Ring Gyro</a>

[prasanna]

thanks for the excellent referral ....