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Re: [ATM] Corrector/reducer for a fast Newtonian
David Whysong wrote:
>Thanks! This is nifty. I re-optimized that design to fit my nominal
>primary mirror parameters, and got this:
>
> SRF RADIUS THICKNESS APERTURE RADIUS GLASS SPE NOTE
> OBJ -- 1.0000e+20 7.8541e+17 AIR
>
> AST -5.2324e+03 -2.3123e+03 V 354.076000 A REFL_HATCH *
>
> 2 -109.711559 V -10.000000 60.186668 S N-BK7 C
> 3 -153.257323 V -54.340062 V 57.457552 S AIR
>
> 4 -245.449338 V -6.000000 45.491903 S N-BK7 C
> 5 -89.440217 V -204.292329 V 44.241967 S AIR
>
> 6 -180.083280 V -7.000000 31.913633 S N-BK7 C
> 7 1.2276e+07 V -3.500000 31.212471 S F2 C
> 8 -- -50.000000 30.884232 S AIR
>
> IMS -- -- 23.291521 S
>
What band are you using? I come up with:
SRF RADIUS THICKNESS APERTURE RADIUS GLASS SPE NOTE
OBJ -- 1.0000e+20 7.3899e+17 AIR
AST -- 11.975002 354.000000 A AIR
2 -5.2324e+03 -2.3175e+03 354.000000 REFLECT *
3 -116.033604 -11.000000 58.500000 N-BK7 C
4 -151.346997 -66.539805 58.500000 AIR
5 -243.183766 -6.000000 44.500000 N-BK7 C
6 -91.526064 -178.808074 44.500000 AIR
7 -163.768158 -7.500000 33.000000 N-BK7 C
8 3.6195e+03 -5.000000 33.000000 F2 C
9 -- -50.000000 33.000000 AIR
IMS -- -- 21.636298
using a 400 to 1000 nm band -- I see the design exceeding a Strehl of
0.84 across the field. Do I have the right values for the mirror:
708 mm diameter, 5232.4 mm RoC, paraboloidal?
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