DEVELOPMENT OF SEED LASER DIODE PUMP ASSEMBLY
Development of SEED LASER DIODE PUMP ASSEMBLY
As a technology oriented company we started laser diode assembly
which is required for development of fiber laser. Our Assembly consisting
of following modules.
1.
Fiber
Coupled Laser Diode (FCLD) Assembly
2.
Compatible
dc operated water cooled Laser Diode Driver (LDD) Assembly
Brief Specifications
of Fiber LAser:
|
S N |
Parameters |
Value |
|
1. |
CW Output Power
(Watt) |
: > 500 |
|
2. |
Centre Wavelength
(nm) |
: 976 ± 3 |
|
3. |
Spectral Width -
FWHM (nm) |
: <7 |
|
4. |
Fiber core
diameter (µm) |
: 200 (Typical) or
220 (Typical) |
|
5. |
Fiber cladding
diameter (µm) |
: 220 (Typical) or
240 (Typical) |
|
6. |
Numerical Aperture
(NA) |
: < 0.22 |
|
7. |
Electrical-to-Optical
Efficiency (%) |
: > 45 |
|
8. |
Operating Current
(A) |
: 20-35 (Typical) |
|
9. |
Operating Voltage
(V) |
: 35-65 (Typical) |
|
10. |
Wavelength shift
with temperature (nm/oC) |
: < 0.4 |
|
11. |
Operating Case
Temperature (oC) |
: ~ 25±5 |
|
12. |
Pigtailed Fiber
Length (m) |
: > 1.5 |
|
13. |
Fiber Termination |
: Bare |
|
14. |
Feedback Isolation Wavelength Range (nm) Isolation (dB) |
: 1060 – 1100 : > 15 |