Measurement of reflectivities and transmissivity of various mirrors

Motivation

Note: The beam used to test this was primarily S-polarized with a 0.6% P-mode impurity

Note: The beam used to test this was primarily S-polarized with a 0.6% P-mode impurity

The data for all the Y1 measurements can be found in: Y1_data.mat

The transmissivity of the ETM at normal (±1 degree) incidence was measured to be:

1064nm: 44 ± 5 ppm

532nm: 97.7% ± 0.5%

The Reflectivity and Transmissivity of the beamsplitter were measured at 45±1 degree incident:

532 nm: T = 97% ± 1.3%

1064nm: T = 52.02% ± 0.07%

This beamsplitter should be much closer to 50/50 for 1064, so it is probably worthwhile to repeat this measurement to confirm these numbers.

-  ⇤ ← Revision 22 as of 2010-01-08 22:14:20 → 
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