Table 1 ADM lens prescription.

From: High-fidelity optical monitoring of laser powder bed fusion via aperture division multiplexing

Surface

Radius

Thickness

Material

Semi-Diameter

1A

190.794

13.034

CaF2

35.000

1B

193.933

13.034

CaF2

35.000

2

Infinity

19.420

-

35.000

3

-132.588

8.244

Fused Silica

35.000

4

-258.974

5.525

-

35.000

5

282.615

7.858

CaF2

35.000

6

-1097.974

82.634

-

35.000

7

123.936

12.645

CaF2

28.000

8

-102.040

4.725

-

28.000

9

-86.569

4.501

Fused Silica

28.000

10

-2352.203

3.517

-

28.000

11

92.640

12.645

CaF2

28.000

12

-403.854

5.000

-

28.000

13

Infinity

4.000

CaF2

38.100

14

Infinity

60.000

-

38.100

  1. Surface 1A defines the D shaped lens used for optical monitoring, and Surface 1B defines the equivalent surface for laser delivery.