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Passive optical communication devices
Optical communication components
Free space isolator
An optical isolator is a passive optical device that only allows light to pass in one direction. Its working principle is to use the Faraday effect of magneto-optical crystals to enable the reflected ..
Product description
An optical isolator is a passive optical device that only allows light to pass in one direction. Its working principle is to use the Faraday effect of magneto-optical crystals to enable the reflected light to be well isolated by the optical isolator, thereby improving the light transmission efficiency.
Product Characteristics:
- High isolation degree
- Low insertion loss
- High reliability
- Compliant with RoHS certification
- Various sizes available
- Various communication wavelengths available
- Tunable laser
Product Applications:
- Transmitter Optical Sub-Assembly (TOSA)
- Bi-Directional Optical Sub-Assembly (BOSA)
- GPON/EPON OLT optical modules
- Optical transceivers
- Optical sensors
- Laser packaging
Performance Parameters:
|
Parameters
|
Unit
|
Single-stage
|
Double-stage
|
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|
Central Wavelength
|
nm
|
1310, 1550
|
CWDM
|
1310, 1550
|
CWDM
|
|
|
Typical Isolation (@23℃)
|
Minimum
|
dB
|
40
|
40
|
60
|
60
|
|
Isolation (@23℃)
|
Minimum
|
dB
|
38
|
38
|
55
|
55
|
|
Isolation (-20℃ to 85℃)
|
Minimum
|
dB
|
22
|
22
|
40
|
40
|
|
Insertion Loss (@23℃)
|
Typical
|
dB
|
0.18
|
0.2
|
0.3
|
0.35
|
|
|
Maximum
|
dB
|
0.25
|
0.3
|
0.35
|
0.4
|
|
Optical Aperture
|
mm
|
Φ0.8 or customized by customers
|
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|
Optical Power
|
Maximum
|
mW
|
300
|
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|
Operating Temperature
|
℃
|
-20 to +85
|
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|
Storage Temperature
|
℃
|
-40 to +85
|
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