Mask 1: 0, +-1, +-2, +-3

Mask 1: 0, +-1, +-2

Mask 1: 0, +-1

Mask 1: 0+/-1

Mask 2: unknown orders• We can’t limit the

diffraction orders because they’re too close together.

• This is with the iris completely open

Mask 2: Unknown orders• This is with the iris

completely closed.