Optical arrangement having a concave mirror or concave grating
First Claim
Patent Images
1. An optical arrangement comprising:
- light-receiving means having a receiving surface for receiving reflected light thereon;
concave reflecting means for reflecting light from an object surface to form an image thereof on said receiving surface; and
,a slab waveguide disposed directly adjoining one of said surfaces for correcting any astigmatism associated with said reflecting means.
1 Assignment
0 Petitions
Accused Products
Abstract
An optical arrangement for imaging a relatively small or slit-like surface is disclosed which includes a concave mirror or a concave grating. Astigmatism is corrected for the concave mirror or concave grating by mounting a slab waveguide at the surface which is to be imaged or at the image which is formed.
-
Citations
13 Claims
-
1. An optical arrangement comprising:
-
light-receiving means having a receiving surface for receiving reflected light thereon; concave reflecting means for reflecting light from an object surface to form an image thereof on said receiving surface; and
,a slab waveguide disposed directly adjoining one of said surfaces for correcting any astigmatism associated with said reflecting means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
Specification