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Hellma

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Zeiss

Gratings

1. What application is the grating planned for (if this can be disclosed)?

Form of grating surface

Plane

Concave imaging

Convex imaging

Type of imaging grating

Holographically aberration-reduced

Parallel grooves

4. Imaging gratings

A. Resolution or groove density

B. Dimensions of desired sensor intended for application

C. Maximum focal lengths

5. Size of grating

6. Size of light spot on grating/minimal size
of diffractive surface

A. Length (parallel to grooves)

B. Diameter

C. Where applicable, width (perpendicular to grooves)

Is the light in the application polarized?

Yes

8. Required diffraction efficiencies (relative to mirror)

9. Desired reflective layer (e.g. aluminum or gold)

10. Required planarity of diffractive wavefront? (x/λ at 633nm)

11. Substrate material (e.g. NBK7, fused quartz, Zerodur)

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