7.
7.1 HRMA/LETG/HRC Focus Test

Hartmann test flapper)
Accuracy: 50 m in X

Find optimum focus

on-axis

0, +x₁, +x₂, -x₁, -x₂

nominal

Al IV 131A

7.1.2

4.5 hr (see §5.1.1 )

HRC-G, BND(FPCs, SSS), FMS

7.1.2
4.5 hr (see §5.1.1 )

HRC-I, BND(FPCs, SSS), FMS

Subtotal: 9 hr

7.2 HRMA/LETG/HRC R, PSF^a

On & off-axis response, to 10^-3 of peak

= 0, ₁, ₂, = 0, ₁, ₂, = 0°

0

nominal

Al IV 131A

7.2.1

(4000x5+4x900) = 6.6 hr

HRC-G, BND(FPCs, SSS), FMS

Temperature gradient sensitivity of PSF

on-axis

nominal 0.04 Ccm^{-1 b}

7.2.2

4000 = 1.1+12 = 13.1 hr

Focus at 44 A

0, -TBD

nominal

C K

7.2.3

4000x2+900 = 2.5 hr

Redo §"On & off-axis response…" to §7.2.3 with HRC-I

7.2.4

22.2 hr

HRC-I, BND(FPCs, SSS), FMS

Subtotal: 44.4 hr

7.3 Absolute wavelength determination & Efficiency

On-axis energy response, absolute efficiency
Accuracy 0.02 A., 2% relative effic.

on-axis

0

nominal

C K + mono., Al K, Fe K, Cr-K,

7.3.1

(1000)x4+3x900 = 1.9 hr

HRC-G, BND(FPCs, SSS), FMS

Rel. Accuracy 2%. To be done after HRMA/HRC calibration. Angle of incidence is different from HRMA/HRC case.

on-axis

0

nominal

11 energies: B K, Ti L, O K, Cu L, Si K, Zr L, Ag L, Sn L, Ti K, Cu K, +continuum

<7.3.2

200x11+10x 900 = 3.1 hr

Higher order efficiency

3 energies

7.3.3

200x3+2x900 = 0.7 hr

Repeat §7.3.1 to §7.3.3 with HRC-I

7.3.4

5.7 hr

HRC-I, BND(FPCs, SSS), FMS

Subtotal: 11.4 hr

7.4 Survey for strange edges in mirror/grating response

Accuracy: 1% in 1000 resolution elements.

Molecular contamina-tion search

N.A.

0

nominal

bremsstrahlung continuum

7.4.1

10,000x1000/500 = 5.6 hr

HRC-G, BND(FPCs, SSS), FMS

7.5 Total Integration Time for HRMA/LETG/HRC

2.9 days