Improvement of Birefringent Filters 2:Achromatic Waveplates
- 1 January 1975
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 14 (1) , 229-237
- https://doi.org/10.1364/ao.14.000229
Abstract
By use of Jones’ matrix techniques, nine-element achromatic waveplates are developed. These combination plates are achromatic to within 1° throughout the visible (3,500–10,000 Å). In addition, a two-section general retarder rotator is demonstrated. The retardation of the combination is twice the complement of the angle between the halves, while the rotation is equal to the angle between the halves. For a 90° retardation, the dual five-element combination is also achromatic to within 1° throughout the visible.Keywords
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