940nm Laser Diode K94SA2F-20.00W-R
Negotiable /Piece
Min.Order:1 Piece
Key Features of 940nm Laser Diode K94SA2F-20.00W-R:
20W output power 105µm fiber core diameter 0.15NA/0.22NA 940nm wavelengthApplications of 940nm Laser Diode K94SA2F-20.00W-R:
Pumping fiber laser Medical use Material processing
Specifications(25℃) |
Symbol |
Unit |
K91SA2F-20.00W-R K94SA2F-20.00W-R K98SA2F-20.00W-R |
K91SA3F-25.00W-R K94SA3F-25.00W-R K98SA3F-25.00W-R | |
Optical data |
CW-output power |
Po |
W |
20 |
25 |
Center wavelength |
lc |
nm |
915/940/976 |
||
Tolerance of l |
- |
nm |
±3,±10 |
||
Spectral width (FWHM) |
△l |
nm |
<5 |
||
Temperature drift of l |
- |
nm/℃ |
~0.3 |
||
Fiber data(1) |
Fiber core diameter |
Wc |
µm |
105 |
|
Numerical aperture |
NA |
- |
0.15/0.22 |
||
Fiber connector |
- |
- |
FC, ST, SMA-905 |
||
Electrical data |
Operation current |
Iop |
A |
12 |
10 |
Threshold current |
Ith |
A |
0.5 |
||
Conversion efficiency |
η |
% |
44 |
48 |
|
Slope efficiency |
ηD |
W/A |
1.8 |
2.8 |
|
Operation voltage |
Vop |
V |
3.6 |
5.4 |
|
Reverse voltage |
Vre |
V |
5.0 |
7.5 |
|
Feedback Isolation |
Wavelength range |
l |
nm |
1040-1100 |
|
Isolation |
- |
dB |
>45 |
||
Others |
Operation temperature |
Top |
℃ |
10~30 |
|
Storage temperature |
Tst |
℃ |
-20~+80 |
||
Expected lifetime |
MTBF |