ID

Description

Nitrogen Out Gas Temperature (K)

Nitrogen Released (Moles × 10⁻⁹)

A

Detector Grade. No N₂ addition during growth

1881 ± 20

3.11 ± 0.56

B

Optical Grade (Dark in colour) speculation of air leak during growth

1712 ± 25^‡

1897 ± 17

3.69 ± 0.77

C

Optical Grade, low N-incorporation level

1890 ± 21

3.16 ± 0.69

D

Optical Grade, high N-incorporation level and defect density

1864 ± 22

3.17 ± 0.79

ID

Description

Bulk S Value As

Received

Bulk S Value 950 K

for 24 h

Bulk S Value 1050 K

for 24 h

Bulk S Value 1410 K

for 24 h

E

Mechanical Finish

Detector Grade

0.4063 ± 0.001

0.4066 ± 0.001

0.4083 ± 0.001

0.3739 ± 0.001

F

RIE Finish

Detector Grade

0.4051 ± 0.001

0.4052 ± 0.001

0.4086 ± 0.001

0.3741 ± 0.001

G

Mechanical Finish

Optical Grade

0.4068 ± 0.001

0.4348 ± 0.002*

0.4071 ± 0.001

0.4426 ± 0.002*

0.4102 ± 0.001

0.4391 ± 0.001*

0.3762 ± 0.001^†

H

RIE Finish

Optical Grade

0.4149 ± 0.003

0.4453 ± 0.003*

0.4134 ± 0.002

0.4453 ± 0.003*

0.4139 ± 0.001

0.4507 ± 0.001*

0.4163 ± 0.001^†