CFHT-IR Interference Filters
HTML version created by David Bohlender.
Maintained by Greg Barrick
Send comments to barrick@cfht.hawaii.edu.
If available, transmission curves can be viewed by clicking on the appropriate filter number.
ASCII data is now available by clicking on data.
| Set |
Filter Number and ASCII Data |
Central Wavelength (Å) |
Bandwidth (Å) |
Max. Trans. (%) |
Size (mm) |
Shape |
Thickness (mm) |
For Use With... |
Location |
Comments |
Status |
Date Received |
| Mould I | 5001 data | 8340 | 1940 | 82 | 25.4 | round | 5.75 | cfhtir | --- | --- | Good | 11/1/1999 |
| Mould I | 5002 data | 8340 | 1940 | 82 | 25.4 | round | 5.82 | cfhtir | --- | --- | Good | 11/1/1999 |
| Infrared | 5101 data | 13566 | 4762 | 96 | 25.4 | round | 5.88 | cfhtir | --- | Working Temp; 77K | Good | 8/1/1996 |
| Infrared | 5102 data | 14124 | 5899 | 92 | 25.4 | round | 6.03 | cfhtir | --- | Working Temp; 77K | Good | 8/1/1996 |
| Infrared J | 5132 data | 12450 | 1630 | 90 | 25.4 | round | 3.14 | cfhtir | --- | OCLI L4Z-46 | Good | 4/1/1998 |
| Infrared J | 5133 data | 12450 | 1630 | 90 | 25.4 | round | 3.14 | cfhtir | --- | OCLI L4Z-31 | Good | 4/1/1998 |
| J Continuum | 5137 data | 12070 | 150 | 70 | 25.4 | round | 5.96 | cfhtir | --- | Barr | Good | 6/15/1998 |
| J Continuum | 5138 data | 12070 | 150 | 70 | 25.4 | round | 5.96 | cfhtir | --- | Barr | Good | 6/15/1998 |
| Pa Gamma | 5139 data | 10940 | 110 | 90 | 25.4 | round | 4.95 | cfhtir | --- | --- | Good | 4/12/1999 |
| O II | 5140 data | 12370 | 120 | 86 | 25.4 | round | 4.95 | cfhtir | --- | --- | Good | 4/12/1999 |
| He I | 5143 data | 10830 | 90 | 86 | 25.4 | round | 6.03 | cfhtir | --- | --- | Good | 11/1/1999 |
| Paschen Beta | 5144 data | 12820 | 110 | 68 | 25.4 | round | 6.04 | cfhtir | --- | --- | Good | 11/1/1999 |
| Paschen Beta | 5145 data | 12820 | 110 | 61 | 25.4 | round | 6.04 | cfhtir | --- | --- | Good | 11/1/1999 |
| Infrared H | 5209 data | 16350 | 2960 | 88 | 25.4 | round | 3.14 | cfhtir | --- | OCLI | Good | 5/1/1998 |
| Infrared H | 5210 data | 16350 | 2960 | 88 | 25.4 | round | 3.14 | cfhtir | --- | OCLI | Good | 5/1/1998 |
| Fe II | 5211 data | 16440 | 150 | 70 | 25.4 | round | 3.126 | cfhtir | --- | Barr | Good | 6/1/1998 |
| FeII Continuum | 5212 data | 16900 | 180 | 70 | 25.4 | round | 3.2 | cfhtir | --- | Barr | Good | 6/15/1998 |
| FeII Continuum | 5213 data | 16900 | 180 | 69 | 25.4 | round | 3.19 | cfhtir | --- | Barr | Good | 6/15/1998 |
| H Continuum | 5214 data | 15700 | 200 | 67 | 25.4 | round | 3.2 | cfhtir | --- | Barr | Good | 6/15/1998 |
| H Continuum | 5215 data | 15700 | 200 | 67 | 25.4 | round | 3.19 | cfhtir | --- | Barr | Good | 6/15/1998 |
| Infrared K' | 5337 data | 21200 | 3400 | 97 | 25.4 | round | 3.08 | cfhtir | --- | OCLI | Good | 5/1/1998 |
| Infrared K' | 5338 data | 21200 | 3400 | 97 | 25.4 | round | 3.08 | cfhtir | --- | OCLI | Good | 5/1/1998 |
| H2 v=1-0 s(1) | 5339 data | 21220 | 200 | 66 | 25.4 | round | 3.18 | cfhtir | --- | Barr | Good | 6/1/1998 |
| Br-Gamma | 5340 data | 21660 | 200 | 72 | 25.4 | round | 3.2 | cfhtir | --- | Barr | Good | 6/1/1998 |
| H2 v=2-1 s(1) | 5341 data | 22480 | 200 | 68 | 25.4 | round | 3.22 | cfhtir | --- | On Loan UKIRT | Good | 6/1/1998 |
| K Continuum | 5342 data | 22600 | 600 | 85 | 25.4 | round | 1.04 | cfhtir | --- | Barr | Good | 6/1/1998 |
| CO (2-0 bh) | 5343 data | 22960 | 200 | 73 | 25.4 | round | 1.06 | cfhtir | --- | Barr | Good | 6/1/1998 |
| Infrared K | 5344 data | 22000 | 3360 | 96 | 25.4 | round | 3.1 | cfhtir | --- | OCLI L11-27 | Good | 7/1/1998 |
| Infrared K | 5345 data | 22000 | 3360 | 96 | 25.4 | round | 3.1 | cfhtir | --- | OCLI L11-27 | Good | 7/1/1998 |
| MR-0 | 5401 data | 4540 | 780 | 93 | 25.4 | round | 5.96 | oasis cfhtir | --- | --- | Good | 11/2/1998 |
