Description
ETSC Europe’s narrow linewidth single-frequency laser using an unique the semiconductor external cavity structure. The typical output bandwidth is less than 3KHz linewidth and the wavelength has low sensitivity to vibration. This device has high side-mode suppression ratio, low relative intensity noise and excellent wavelength stability for a variety of applications for harsh environment.
ETSC Europe’s narrow linewidth single-frequency laser has its own patents, high structural stability, mature technology and it is suitable for mass production. This devise complies with Telcordia GR-468 standard and has passed the long-term reliability test.
Feature
- Single-mode output, line width is less than 3KHz
- Low phase noise and relative intensity noise
- Stable structure, low sensitivity to vibration
- ITU-T Wavelength from 1530 to 1565nm, can be customized upon request
- Working temperature from 0 to 70 degrees
- Comply with Telcordia GR-468 standard
Applications
- LIDAR
- Fiber Optical Hydrophones
- Resonant Fiber Optic Gyro
- Distributed Fiber Sensing
- Coherent Communication
- Scientific Research
Parameter
|
Parameter |
Unit |
Min. |
Typical |
Max. |
Condition |
|
Output Power |
dBm |
10 |
CW |
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|
Power stability |
% |
10 |
0~70℃ |
||
|
0.3 |
±1℃ |
||||
|
Center wavelength (ITU-T DWDM) |
nm |
1530 |
1565 |
Std Dev. ± 40 pm |
|
|
Wavelength Tunable Range |
pm |
30 |
Change TEC Temperature |
||
|
Linewidth |
kHz |
A: <3,B: <5,C: <10,D: ≧10 |
|||
|
low relative intensity noise |
µrad/rt-Hz |
A: 4,B: 8,D: 22 |
@200Hz |
||
|
Optical frequency stability |
MHz |
3 |
8 hrs in incubator (beat frequency from two narrow linewidth single-frequency lasers) |
||
|
side-mode suppression ratio |
dB |
50 |
|||
|
Optical Signal Noise Ratio |
dB |
60 |
|||
|
Polarization extinction ratio |
dB |
20 |
Slow axis alignment |
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|
Light Isolation |
dB |
40 |
|||
|
Voltage |
V |
4.75 |
5 |
5.25 |
|
|
Power Consumption |
W |
6 |
0~70℃ |
||
|
Working Temperature |
℃ |
0 |
70 |
||
|
Dimensions |
mm |
100×57×12 |
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Linewidth characteristics
Ordering Info
X1: Wavelength, 1530~1565nm ITU-T DWDM, can be customized upon request
X2: Power, 10dBm
X3: Modulation mode, DM/ CW
X4: Fiber type, SM (Single-mode fiber)/ PM (Polarization-maintaining fiber)
X5: Product grade, A/B/C/D
