Physics – Optics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apopt..45.8907s&link_type=abstract
Applied Optics IP, vol. 45, Issue 35, pp.8907-8915
Physics
Optics
11
Polarimetry, Polarization-Sensitive Devices, Ellipsometry And Polarimetry, Astronomical Optics
Scientific paper
We adopted an existing formalism and modified it to simulate, with high precision, the transmission, reflection, and absorption of multiple-plate birefringent devices as a function of frequency. To validate the model, we use it to compare the measured properties of an achromatic five-plate device with a broadband antireflection coating to expectations derived from the material optical constants and its geometric configuration. The half-wave plate presented here is observed to perform well with a phase shift variation of <2° from the ideal 180° over a bandwidth of Δv/v˜1 at millimeter wavelengths. This formalism represents a powerful design tool for birefringent polarization modulators and enables its optical properties to be specified with high accuracy.
Ade Peter A. R.
Pisano Giampaolo
Savini Giorgio
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