March 24, 2009

A device includes a pair of two partially transmitting optical surfaces positioned approximately parallel to each other and spaced apart. A high reflectance metal etalon coating is formed on each of the optical surfaces. An enhancing stack is coupled to the metal etalon coating on each of the optical surfaces.

20

March 24, 2009

11/971,106

January 8, 2008

359/260   356/519 359/583 359/584 359/585 359/586 428/213 428/457

G02F   1/03   (20060101)   B32B   15/04   (20060101)   G01B   9/02   (20060101)   G02B   1/10   (20060101)  

359/260   359/580   359/583   359/584   359/585   359/586   359/589   359/590   359/581   359/577   359/360   359/364   359/392   359/629   359/720   359/726   356/345   356/352   356/519   385/12   385/13   385/14   385/15   385/37   428/30   428/34   428/38   428/213   428/432   428/437   428/461   428/463   428/457   428/458   428/487   428/488   428/39   428/45   428/79   428/482   40/594   73/24.02   73/24.06   525/326.3