TIFKAM Configuration as of 2008 June 11

Slit/Aperture Mask Wheel

Position	Slit/Mask Name
0	Dark Plate
1	54um x 27mm Slit
2	f/7.5 Imaging Stop
3	100um x 27mm Slit
4	f/5.0 Imaging Stop
5	f/16.6 Imaging Stop

Prefilter/Grism Wheel

Position	Filter/Grism
0	Open (no filter)
1	Dark Plate
2	PK-50 Thermal Blocker
3	2.122um 1% (H₂ v=1-0 S(1) line)
4	JHK Grism
5	2.09um 1% (Continuum, use with K filter!)
6	J/K Grism
7	H Grism
8	J+H Grism

Filter Wheel

Position	Filter
0	Open (no filter)
1	1.4um LongPass Filter
2	JHK Order Sorter
3	IJH Order Sorter
4	0.75-1.2um Order Sorter
5	Ks Band Filter (OCLI/Tokunaga Consortium)
6	J Band Filter
7	H+PK50 Filter
8	K Band Filter

Grism Modes

JHK Grism: All of J, H, and K bands in one line (including atmospheric absorption).; Use JHK Grism with the JHK Order Sorter filter; Resolution: R=750 with a 54-micron slit
J+H Grism: All of J and H bands in one line with atmospheric absorption bands between; Use with the IJH Order Sorter filter; Resolution: R=780 with 54-micron Slit
J/K Grism: All of J band or all of K band in one line; Use with the J filter or K filter to select the order; Resolution: R=1360 with 54-micron slit
H/L Grism: All of H band in one line; Use with the H filter to select the order; Resolution: R=1100 with 54-micron slit; Note: L mode not usable with the HgCdTe detector

Camera Turret

Position	Camera	CamFocus
0	f/5 Camera	2730
1	Pupil Viewer	...
2	f/7.5 Camera	1340
3	f/16.6 Camera	400

Note that the optimal focus position of the cameras changes and should be checked for best performance by focussing on an image of the 54-micron slit. Focus values were measured from data acquired on 2008 June 10 by John Tobin (Michigan).

Updated: 2008 June 11 [rwp/osu]