ANC International Co., Limited
ANC International Co., Limited Reliable Manufacturer & Supplier for Various Fiber Optic Products
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Free Space Isolator Single Stage or Dual Stage
Description
The Free Space Isolators are used in various TOSAs, which require isolation to prevent feedback into the laser. This product is available in single and double stage designs. The Free Space Isolator offers excellent performance with low insertion loss and high isolation. It guides optical light in one direction and eliminates back reflection and back scattering in the reverse direction at any polarization sate.The unique manufacturing process and optical path epoxy-free design enhance the device's high power handling capability. The devices are characterized with high performance, high reliability and low cost. It has been widely used in EDFAs, Raman amplifiers, DWDM systems, Fiber lasers, transmitters and other fiber optic communication equipments to suppress back reflection and back scattering.
Except free space optical isolator, PM Isolator & High Power Isolator & Polarization Insensitive Isolator or other customized configuration are also available upon request.
Features
Single stage or dual stage optional
1310nm or 1550nm or other customized wavelength optional
High reliability
Low insertion loss
High Isolation
Optimized for different wavelengths
Epoxy free
Large aperture
Small size
Wide operating temperature range
RoHS Compliant
Usage
Laser Diode Packaging
Optical Transmitter
DWDM system
Fiber laser
EDFA module
PON Networks
Free Space Isolator Technical Data
| Parameter (P Grade) | Single Stage | Dual Stage | |
| Center Wavelength(nm) | 1310 1550 | ||
| Typical Isolation (at 23℃)(dB) | Min | 40 | 60 |
| Isolation (at 23℃)(dB) | Min | 38 | 55 |
| Insertion Loss (dB) | Typical | 0.18 | 0.3 |
| Max | 0.25 | 0.35 | |
| Clear Aperture(nm) | Φ 0.8 or customer | ||
| Optical Power(mW) | Max | 500 | |
| Operating Temperature(℃) | -20~+85 | ||
| Storage Temperature(℃) | -40~+85 | ||
| Parameter (A Grade) | Single Stage | Dual Stage | |
| Center Wavelength(nm) | 1310 1550 | ||
| Typical Isolation (at 23℃)(dB) | Min | 40 | 60 |
| Isolation (at 23℃)(dB) | Min | 38 | 55 |
| Insertion Loss (dB) | Typical | 0.2 | 0.4 |
| Max | 0.3 | 0.4 | |
| Clear Aperture(nm) | Φ 0.8 or customer | ||
| Optical Power(mW) | Max | 500 | |
| Operating Temperature(℃) | -20~+85 | ||
| Storage Temperature(℃) | -40~+85 | ||
Note: 1.At 23 ℃ over bandwidth.
2.Not include connector, splice and fiber-end Fresnel losses.
3.Including PDL, operating wavelength range. -5 ℃ to +75 ℃.
Mechanical Dimension of Free Space Isolator
Ordering Information