Ultra narrow filters with good performance when tilted and cooled
Zheng, A. M., Seeley, J. S., Hunneman, R. and Hawkins, G. J. (1992) Ultra narrow filters with good performance when tilted and cooled. Applied Optics, 31 (22). pp. 4336-4338. ISSN 2155-3165
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To link to this item DOI: 10.1364/AO.31.004336
Our latest research indicates that narrow bandpass filters of ~0.6% bandwidth (or any larger chosen width) and with good performance ar low temperature and in tilted and focused illumination can be realized by using multicavities and multimaterials.