News
（Product recommend）electro-optic intensity modulator series
2019-12-02 10:32:45 | Company News Page views：1272
850nm electro-optic intensity modulator
Kg-am series 850nm lithium niobate electro-optical intensity modulator adopts advanced proton exchange technology, which has the characteristics of low insertion loss, high modulation bandwidth, intense half-wave voltage, and so on. It is mainly used in space optical communication, cesium atom time reference, pulse generator, quantum optics, and other fields.
performance parameters：
|
parameters |
symbol |
min |
typical |
max |
unit |
|
|
optical parameters |
||||||
|
working wavelength |
l |
780 |
850 |
890 |
nm |
|
|
insert loss |
IL |
4 |
5 |
dB |
||
|
optical return loss |
ORL |
-45 |
dB |
|||
|
switch extinction ratio @DC |
ER@DC |
20 |
23 |
dB |
||
|
dynamic extinction ratio |
DER |
12 |
13 |
dB |
||
|
optical fiber |
input |
PM 800 Panda fiber |
||||
|
output |
PM 800 Panda fiber |
|||||
|
optical fiber interface |
FC/PC、FC/APC or customer specific |
|||||
|
electronics parameters |
||||||
|
working bandwidth（-3dB） |
S21 |
0.01~2.5、0.01~10 |
GHz |
|||
|
bandwidth fluctuation |
DS21 |
0.5 |
1 |
dB |
||
|
half wave voltage Vpi |
RF |
Vπ@50KHz |
3 |
3.5 |
V |
|
|
Bias |
Vπ@Bias |
3.5 |
4 |
V |
||
|
Electric return loss |
S11 |
-12 |
-10 |
dB |
||
|
input impedance |
RF |
ZRF |
50 |
W |
||
|
Bias |
ZBIAS |
1M |
W |
|||
|
electronics interface |
SMA |
|||||
1064nm double M-Z series intensity modulator
LiNbO3 intensity modulator has a good electro-optic effect and is widely used in a high-speed optical communication system, laser sensor, and ROF system. The kg-am series based on MZ push-pull structure and X-cut design has stable physical and chemical properties and can be applied to laboratory experiments and industrial systems.
|
parameters |
symbol |
min |
typical |
max |
unit |
|
|
optical parameters |
||||||
|
working wavelength |
l |
1064±20 |
nm |
|||
|
insert loss |
IL |
- |
6 |
8 |
dB |
|
|
optical return loss |
ORL |
-40 |
-45 |
- |
dB |
|
|
switch extinction ratio @DC |
ER@DC |
48 |
50 |
- |
dB |
|
|
optical fiber |
input |
|
PM fiber 980 nm |
|||
|
output |
|
PM fiber 980 nm |
||||
|
optical interface |
|
FC/PC、FC/APC or customer specific |
||||
|
electronics parameters |
||||||
|
working bandwidth（-3dB） |
S21 |
|
6 |
- |
GHz |
|
|
bandwidth fluctuation |
DS21 |
- |
0.5 |
1 |
dB |
|
|
half wave voltage Vpi |
RF |
Vπ@50kHz |
- |
4.5 |
5 |
V |
|
Bias |
Vπ@Bias |
- |
4.5 |
5 |
V |
|
|
electronic return loss |
S11 |
- |
-12 |
-10 |
dB |
|
|
input impedance |
RF |
ZRF |
50 |
W |
||
|
Bias |
ZBIAS |
1 M |
W |
|||
|
electronic interface |
|
SMA(f) |
||||
High extinction ratio electro-optic intensity modulator
Kg-am series high extinction ratio electro-optic intensity modulators are based on M-Z push-pull structure, which has low half-wave voltage and stable physical and chemical characteristics. Superior technology is adopted to ensure that the device has a high DC extinction ratio and increased response rate, so it is widely used in optical pulse generators, laser radar, optical fiber sensors, and other fields.
performance parameters：
|
parameters |
symbol |
min |
typical |
max |
unit |
|
|
optical parameters |
||||||
|
working wavelength |
l |
1525 |
1565 |
nm |
||
|
insert loss |
IL |
4 |
5 |
dB |
||
|
optical return loss |
ORL |
-45 |
dB |
|||
|
switch extinction ratio @DC |
ER@DC |
35 |
40 |
50 |
dB |
|
|
optical fiber |
input |
Panda PM |
||||
|
output |
Panda PM or SMF-28 |
|||||
|
optical fiber interface |
FC/PC、FC/APC or customer specific |
|||||
|
electronic parameters |
||||||
|
working bandwidth（-3dB） |
S21 |
2.5 |
10 |
18 |
GHz |
|
|
half wave voltage Vpi |
RF |
Vπ@50KHz |
5 |
V |
||
|
Bias |
Vπ@Bias |
7 |
V |
|||
|
electronic return loss |
S11 |
-12 |
-10 |
dB |
||
|
input impedance |
RF |
ZRF |
42 |
W |
||
|
Bias |
ZBIAS |
10000 |
W |
|||
|
electronics interface |
SMA(f) |
|||||
