Abstract
The conventional method of measuring polarized transmission components of an anisotropic material requires the insertion of linear polarizers in the beam. For commonly used dichroic polarizers, which have a limited spectral range of use, this represents a time-consuming process, particularly for measurements encompassing a wide spectral range. Since the efficiency of dichroic polarizers is typically 25-40%, there is also a sacrifice of system throughput. This paper presents a more time-efficient and sensitive method for obtaining polarized transmission data by eliminating the need of an external polarizer. The method is based on the very large degree of polarization of our Perkin-Elmer Lambda-9 double-grating spectrophotometer from 250 to 950 nm. This effect has been accurately determined with previously well-characterized dichroic polarizers over the 250-1200-nm range. Examples of its application over a 1-yr period are given. The typical agreement between this method and the conventional method is +/-0.003 transmittance units.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
