Table 3 Design parameters of the telescope.

From: Design method for the structure of a gravitational wave detection telescope with low TTL noise

Aberration terms

Z4

Z5,6

Z9

Z12,13

Z16

Z21,22

Z25

Z32,33

Z36

Z37

Power

-1.575

-

0.903

-

0.3702

-

-

-

-0.159

-0.138

Astigmatism

-

1.570

-

0.902

-

0.370

-

-

-

-

Primary spherical

-

-

-1.273

-

1.208

-

0.266

-

-0.203

-0.266

Secondary astigmatism

-

-

-

1.271

-

1.207

-

0.2657

-

-