1 SuperCam Optics & Mount Design Dathon Golish 8/2/06 Zemax Optical Design: Converts the SMT f/13.8 beam to f/5 to match SuperCam Large Flat:.75 m x.55 m Hyperbola: R = 1692 mm; k = -3.05;.5m x.5m Flat Fold:.1 m x.1 m Ellipse: R = 772 mm, k = -0.03;.4m x.4m Large Flat Hyperbolic Mirror Elliptical Mirror Flat Fold Detector Plane 77 mm Quartz Field Lens (not pictured, doubles as dewar window): R = -1800

2 ASAP Optical Analysis Incoming Beam – Gaussian with 14 dB edge taper on dish Total energy reaching detector:82% – 89% Coupling between ideal Gaussian and energy profile reaching detector: 92% – 93% Total: 75% - 83% Total energy reaching detector:82% – 89% Coupling between ideal Gaussian and energy profile reaching detector: 88% – 92% Total: 72% - 82% For comparison, the DesertSTAR focus (with no added optics except a flat tertiary) gave: Energy: 89% Coupling: 97% Total: 88% Results for extended horns option:

3 Table 1: Zemax Tolerancing Results OpticShift (along axis) (mm)Rotation (around axis) (deg) -X+X-Y+Y-X+X-Y+Y-Z+Z Big Flat†††† ** Hyperbola Flat Fold†††† ** Ellipse Secondary to Big FlatThis distance can be compensated for by moving the secondary. Big Flat to HyperbolaThis distance can be compensated for by moving the secondary. Hyperbola to Flat Fold-32 mm, +17 mm Flat Fold to Ellipse-20 mm, +35.9mm Ellipse to Focus-51 mm, +75 mm *Rotation has no effect. †Shift has no effect.

4 Mounting System IF Box Preamps Bias Box

5

6 Dewar Assembly Flat Mirror Assembly Re-imaging Optics Assembly LO Assembly

7 55-pin Connectors 1x8 IF SMAs Quartz Field Window CTI-350 Sumitomo Dewar Assembly

8 Hyperbola Ellipse Flat Fold Re-imaging Optics Assembly

9 Large Flat

10 Local Oscillator Assembly LO Flat Mirror pupil) Re-imaging Lenses Beamsplitter LO 64-way splitter

11 40 m of IPS profiles ~$2k for frame assembly