THORLABS ULN15 Series, Руководство пользователя, Страница: 11 / 24

Ultra-Low Noise Laser Chapter 3: Description
Rev B, October 23, 2020 Page 9
Figure 6 Change in single mode ranges as T
FBG
is changed for a
T-configuration device. T
CHIP
is 25 °C for all measurements.
Figure 7 OSA trace of a T-configuration ULN spectrum at various
T
FBG
with an operating point above 100 mW. Spectra are measured
with a 20 pm resolution OSA.
450 500 550 600 650
90
100
110
120
130
140
T
FBG
= 25 °C
T
FBG
= 26 °C
T
FBG
= 27 °C
Effect of Changing T
FBG
Si
ng
le M
od
e P
ow
er
(m
W)
Current (mA)
1548 1549 1550 1551 1552
-70
-60
-50
-40
-30
-20
-10
0
10
20
FBG Setpoint:
15 °C
25 °C
35 °C
45 °C
55 °C
65 °C
Wavelength Change with Temperature
Amp
litu
de (
dB)
Wavelength (nm)