TC-ELD Series 905nm Directly Adjustable Light Source Module
The TC-ELD type direct modulation laser module integrates high-power laser diodes, driving circuits, and temperature control circuits; This module has a modulation rate of 20Mbit/s, excellent mode stability, low relative intensity noise, and good output optical power stability.
Description
Product Description
The TC-ELD type direct modulation laser module integrates high-power laser diodes, driving circuits, and temperature control circuits; This module has a modulation rate of 20Mbit/s, excellent mode stability, low relative intensity noise, and good output optical power stability. It can be used in the fields of space optical communication and digital communication.
Features
● The average output optical power is greater than 200MW
● The modulation rate can reach 20 Mbit/s
● High extinction ratio
● Tail fiber output
● Low power consumption
● Compact structure, module packaging
● DC power supply
Applications
● Special optical transmission system
● Seed light source
● Space optical communication
Performance Parameter
|
Parameters |
Symbols |
Minimum value |
Typical value |
Maximum value |
Unit |
|
Center wavelength |
l |
|
905 |
|
nm |
|
Peak wavelength tolerance |
|
|
±10 |
|
nm |
|
Output optical power |
Po |
200 |
|
|
mW |
|
3dB spectral width |
Δl |
|
5 |
12 |
nm |
|
Rise/Fall Time |
Trise/fall |
|
1.0 |
|
ns |
|
Modulation bandwidth |
F |
20 |
|
|
Mbit/s |
|
Input electrical signal amplitude (TTL) |
|
|
3.3 |
|
V |
|
Extinction ratio |
|
|
12 |
|
dB |
|
Fiber core diameter |
|
|
62.5 |
|
µm |
|
numerical aperture |
|
|
0.27 |
|
NA |
|
Working current |
I |
|
500 |
|
mA |
|
specifications |
|
Module |
|||
|
Power requirements |
|
DC 3.3V |
|||
|
Input electrical signal interface |
|
SMA |
|||
|
Working mode |
|
Direct modulation of external electrical signals |
|||
|
Optical connector |
|
SC/PC Or user specified |
|||
** Test conditions: CW, Top=25 º C
Limit Conditions
|
Parameters |
Symbols |
Unit |
Minimum value |
Typical value |
Maximum value |
|
Signal input voltage |
VR |
V |
|
3.3 |
4 |
|
Working current |
IPD |
A |
|
0.5 |
1 |
|
Working voltage |
Vop |
V |
|
DC 3.3 |
DC 4 |
|
Working temperature |
Top |
ºC |
-10 |
|
60 |
|
Storage temperature |
Tst |
ºC |
-40 |
|
85 |
|
Humidity |
RH |
% |
5 |
|
90 |
Ordering Information
|
TC |
ELD |
905 |
X |
X |
200 |
XX |
XX |
|
|
Direct modulation laser |
Working wavelength: 905nm |
Modulation Rate: 1--10Mbit/s 2--20Mbit/s |
Packaging: M -- Module D - Desktop |
output power: 200---200mW |
Pigtail: SM---SMF |
Fiber optic connector: SC FC SP---User Specified |
Typical signal modulation
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