Philip Baumeister, "Evaluation of the solutions for two design problems presented at the 1998 Optical Interference Coatings Conference," Appl. Opt. 39, 2230-2234 (2000)
Two problems were proposed at the 1998 Conference on Optical
Interference Coatings: dual-band antireflection coatings and
bandpass filters. In excess of 40 solutions were submitted. An
evaluation of those solutions is presented.
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The full spectral widths of the passband
of 98%, 50%, and -30 dB represent transmittance levels of 0.98,
0.50, and 0.001, respectively.
The question mark indicates an estimate that is
unknown.
For these entries the layer count exceeds 90;
hence they are included for pedagogical interest only.
Tables (3)
Table 1
Optical Properties of the Materials Used in the Dual-Band
Antireflection Coating: Refractive Index n in Two
Spectral Regions
Layer
Use
Refractive Index n
400–700 nm
10–11 µm
Substrate
2.60
2.40
L
Low-index layer
1.52
1.43
H
High-index layer
2.32
2.22
Table 2
Properties of the Dual-Band Antireflection Coatings
Properties of the Stack
In the Visible Spectral Region (420–680 nm)
In the Infrared Spectral Region (10 500–10 700 nm)
The full spectral widths of the passband
of 98%, 50%, and -30 dB represent transmittance levels of 0.98,
0.50, and 0.001, respectively.
The question mark indicates an estimate that is
unknown.
For these entries the layer count exceeds 90;
hence they are included for pedagogical interest only.