US 6,982,166 B2
Lens assembly for biological testing
Donald R. Sandell, San Jose, Calif. (US)
Assigned to Applera Corporation, Foster City, Calif. (US)
Filed on May 16, 2002, as Appl. No. 10/146,066.
Prior Publication US 2003/0215938 A1, Nov. 20, 2003
Int. Cl. C12M 1/34 (2006.01)
U.S. Cl. 435—287.2 12 Claims
OG exemplary drawing
 
1. An optical detection system for a thermal cycling device, comprising:
at least one light source;
a light detection device for detecting light received from a plurality of biological samples; and
a lens having first and second surfaces formed on the lens, the second surface substantially opposed to the first surface,
wherein the first surface is configured to collimate light and the second surface is configured to direct light into each of the plurality of biological samples, and
wherein the second surface comprises a matrix of lenses formed into the second surface and the matrix comprises a plurality of focusing lens portions.