| Records |
| Author |
Abbas, M. M.; Mumma, M. J.; Kostiuk, T.; Buhl, D. |
| Title |
Sensitivity limits of an infrared heterodyne spectrometer for astrophysical applications: errata |
Type |
Journal Article |
| Year |
1977 |
Publication  |
Applied Optics |
Abbreviated Journal |
Appl. Opt. |
| Volume |
16 |
Issue |
11 |
Pages |
2793 |
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0003-6935 |
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459 |
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| Author |
González, Francisco Javier; Alda, Javier; Ilic, Bojan; Boreman, Glenn D. |
| Title |
Infrared Antennas Coupled to Lithographic Fresnel Zone Plate Lenses |
Type |
Journal Article |
| Year |
2004 |
Publication |
Applied Optics |
Abbreviated Journal |
Appl. Opt. |
| Volume |
43 |
Issue |
33 |
Pages |
6067-6073 |
| Keywords |
optical antennas |
| Abstract |
Several designs for Fresnel zone plate lenses (FZPLs) to be used in conjunction with antenna-coupled infrared detectors have been fabricated and tested. The designs comprise square and circular FZPLs with different numbers of Fresnel zones working in transmissive or reflective modes designed to focus infrared energy on a square-spiral antenna connected to a microbolometer. A 163× maximum increase in response was obtained from a 15-zone circular FZPL in the transmissive mode. Sensor measurements of normalized detectivity D* resulted in a 2.67× increase with FZPLs compared with measurements made of square-spiral antennas without FZPLs. The experimental results are discussed and compared with values obtained from theoretical calculations. |
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RPLAB @ gujma @ |
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740 |
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Siemsen, K. J.; Bernard, J. E.; Madej, A. A.; Marmet, L. |
| Title |
Absolute frequency measurement of a CO2/OsO4 stabilized laser at 28.8 THz |
Type |
Journal Article |
| Year |
2001 |
Publication |
Applied Physics B: Lasers and Optics |
Abbreviated Journal |
Appl. Phys. B: Lasers and Optics |
| Volume |
72 |
Issue |
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Pages |
567-573 |
| Keywords |
HgCdTe detector |
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462 |
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Shelkovnikov, A.; Grain, C.; Nguyen, C. T.; Butcher, R. J.; Amy-Klein, A.; Chardonnet, C. |
| Title |
500-Hz two-photon Ramsey fringes with a SF6 beam: towards a new frequency standard in the 30-THz spectral region |
Type |
Journal Article |
| Year |
2001 |
Publication |
Applied Physics B: Lasers and Optics |
Abbreviated Journal |
Appl. Phys. B: Lasers and Optics |
| Volume |
73 |
Issue |
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Pages |
93-98 |
| Keywords |
THz applications |
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485 |
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Boreiko, R.T.; Betz, A.L. |
| Title |
Far-infrared laser emission from deuterated ammonia |
Type |
Journal Article |
| Year |
2002 |
Publication |
Applied Physics B: Lasers and Optics |
Abbreviated Journal |
Applied Physics B: Lasers and Optics |
| Volume |
75 |
Issue |
8 |
Pages |
823-826 |
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0946-2171 |
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488 |
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