# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    D. R. Smith and E. V. Loewenstein.
    Optical constants of far infrared materials. 3: plastics.
    <a href="https://doi.org/10.1364/AO.14.001335"><i>Appl. Opt.</i> <b>14</b>, 1335-1341 (1975)</a>
COMMENTS: |
    Manufactured by Allied Chemical under the name Aclar.
DATA:
  - type: tabulated nk
    data: |
        28.5714 1.497 0.0114
        29.4118 1.497 0.0122
        30.3030 1.495 0.0118
        31.2500 1.494 0.0116
        32.2581 1.493 0.0118
        33.3333 1.492 0.0122
        34.4828 1.491 0.0123
        35.7143 1.489 0.0122
        37.0370 1.487 0.0122
        38.4615 1.483 0.0131
        40.0000 1.483 0.0151
        41.6667 1.486 0.0168
        43.4783 1.488 0.0146
        45.4545 1.488 0.0129
        47.6190 1.488 0.0127
        50.0000 1.489 0.0138
        52.6316 1.491 0.0136
        55.5556 1.493 0.0106
        58.8235 1.492 0.00632
        62.5000 1.490 0.0029
        66.6667 1.488 0.0011
        71.4286 1.484 0.0020
        76.9231 1.482 0.0044
        83.3333 1.484 0.00683
        90.9091 1.486 0.00745
        100.0000 1.488 0.0056
        111.1111 1.487 0.0035
        125.0000 1.483 0.0035
        142.8571 1.479 0.0066
        166.6667 1.474 0.012
        200.0000 1.471 0.0194