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--- focal_plane_unit [2025/10/13 02:15] – jasonj
+++ focal_plane_unit [2025/12/11 04:43] (current) – holtz
@@ Line 23: / Line 23: @@
 ===== Calibration lamps =====
-tbd
+We are using a Shelyak calibration unit that has a tungsten, LED, and ThAr lamps. These can be controlled via a serial interface to a K0856 set of relays.
 ===== FPU calibration relay stage =====
@@ Line 46: / Line 46: @@
 Here is a photo of the PFU ,mounted on the 1m Nasmyth port for initial testing in Fall 2024.
  {{:fpu:fpu_1m_oct2024.jpg?300|}}
+In a more final configuration:
+{{:fpu:fpuside.jpg?direct&300}}
+pwi1m computer
+{{:fpu:pwi1m.jpg?direct&300}}
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