THORLABS ULN15 Series, Руководство пользователя, Страница: 19 / 24

Ultra-Low Noise Laser Chapter 7: Specifications
Rev B, October 23, 2020 Page 17
Chapter 7
Specifications
All specifications are measured
measured at T
CHIP
= 25 °C, T
CASE
= 25 °C, T
FBG
set as directed on serialized datasheet.
General Specifications
Absolute Max Current 800 mA
Absolute Max Power 200 mW
Operating Case Temperature -5 to 70°C
Storage Temperature -40 to 85°C
Gain Chip TEC Max Current 3 A
Gain Chip TEC Max Voltage 4.6 V
FBG TEC Max Current 3 A
FBG TEC Max Voltage 3.2 V
Steinhart-Hart A Coefficient (All Thermistors) 1.1291 x 10 -3
Steinhart-Hart B Coefficient (All Thermistors) 2.3412 x 10 -4
Steinhart-Hart C Coefficient (All Thermistors) 8.7674 x 10 -8
PD Responsivity 0.95 A/W (Typ.)
PD Max Reverse Voltage 15 V
ULN15 Series
a
Value
Specification Min Typical Max
Center Wavelength 1530 nm 1550 nm 1565 nm
Lorentzian Linewidth
a
- 100 Hz 250 Hz
Output Power CW @ I
CW
100 mW 140 mW -
Operating Current CW - 650 mA 800 mA
Threshold Current - 50 mA -
Forward Voltage @ I
CW
- 3.0 V 4.0 V
Side Mode Suppression Ratio @ I
CW
60 dB 70 dB -
Relative Intensity Noise
b
- -165 dBc/Hz -
Polarization Extinction Ratio 16 dB 20 dB -
a. At High-Current End of Single Mode Range
b. At Low-Current End of Single Mode Range and Measured Above 1 GHz
Tuning Characteristics Value
T-Configuration Min Typical Max
FBG Temperature Range 10 °C - 70 °C
FBG Temperature Tuning Coefficient - 9 pm/K -
FBG Temperature Tuning Range - 500 pm -
C-Configuration Min Typical Max
Current Tuning Coefficent - 0.25 pm/mA -
Mode-Hop-Free Tuning Range, Current Tuning @ I
CW
- 20 pm -
Fiber Specifications
a
Fiber Type Corning
®
PM15-U25D
Wavelength 1550 nm
Numerical Aperture -
Cutoff Wavelength 1300 nm - 1440 nm
Mode Field Diameter @ 1550 nm 10.5 µm ± 0.5 µm
Maximum Attenuation @ 1550 nm 0.5 dB/km
Fiber Length 1 m
Connector FC/APC, 2.0 mm Narrow Key
a
a.
Slow Axis Aligned Parallel to Key