Insights into NARIT ULTRASPEC TNT ZEMAX Files for Thai National Telescope - July 2013

Explore detailed information about the NARIT ULTRASPEC TNT ZEMAX files related to the Thai National Telescope in July 2013. Dive into the optical surfaces, interface planes, and mechanical distances within the telescope system. The content includes images and descriptions validating the ZEMAX model's accuracy.

• NARIT
• ULTRASPEC
• ZEMAX
• Thai National Telescope
• Optical Surfaces

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1. NARIT ULTRASPEC TNT ZEMAX file July 2013 Thai National Telescope ZEMAX file clarifications C.Buisset NARIT 22thAugust 2013

2. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 File name: TNT_2.4m_as_built_telescope_20130820 Comprise the optical surfaces from telescope entrance (spider) to cube output M4 Cube output M1 M2 M3

3. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 ULTRASPEC interface plane ULTRASPEC is mounted on one flange located on one of the Insturment cube output Defines the optical and mechanical interface plane

4. NARIT ULTRASPEC TNT ZEMAX file July 2013 TNT ZEMAX file ULTRASPEC interface plane The interface plane is the ZEMAX Surface 30 Cube Output This optical surface is located at 250 mm from M4 apex for all instrument cube output ports. Cube output = interface plane

5. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 ULTRASPEC interface plane The mounting flange plane is the ZEMAX Surface 30 Cube Output Cube output = interface plane M4 Spacer

6. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 ULTRASPEC interface plane We have verified that the distance between the interface plane and the M4 centre is equal to 250 mm (full agreement with ZEMAX model)

7. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 ULTRASPEC interface plane We have verified that the distance between the interface plane and the M4 centre is equal to 250 mm (full agreement with ZEMAX model) Distance interface plane M4 centre

8. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 ULTRASPEC interface plane The mechanical distance between the M4 centre and the M1 Apex is d = 2556.49 mm (measured on TNT CAD model dx distance)

9. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file July 2013 ULTRASPEC interface plane The distance measured d between M4 and M1 apexes is assessed by using Prescription data Global Vertex with M1 as the Global reference Coodinate The ZEMAX distance between M4 and M1 apexes is d = 2556.66 mm The ZEMAX and the mechanical models are in good agreement (discrepency 200 m, not critical for current application)

10. NARIT ULTRASPEC TNT ZEMAX file TNT ZEMAX file - Conclusions July 2013 The ZEMAX file provided is representative of the TNT opto- mechanical design The Output cube ZEMAX surface represents the Ultraspec mounting flange plane located at 250 mm from M4 apex The M4 M1 apexes distance is d = 2556.6 mm +/- 0.1 mm