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Optical Circulators
A non-reciprocal device with multiple port inputs and outputs
The circulator is an irreversible one-way three-port component that allows light propagate in a specific direction. Circulators can be divided into nonpolarization-maintaining circulator and polarization maintaining circulator.
Non-polarization-maintaining circulator consists of birefringent beam displacer, polarization element, Faraday rotator, half-waveplate and collimator.
Polarization-maintaining optical circulator consists of input polarizer, Faraday rotator, half-waveplate, output polarizer and collimator.
CASTECH produces circulators with low insertion loss, high isolation, low polarization dependent loss and excellent temperature stability. Operating wavelength range is 450~2000nm, and connection of fiber tail can be bare fiber or FC/APC.
Applications：
●Fiber optical sensor system
●Bidirectional signal transmission system
●Dispersion compensation
Iintroduction：
CASTECH's products are produced independently throughout the entire process and can be customized according to customer needs. Refer to the following list for standard products.
Products
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Optical Circulators
- A non-reciprocal device with multiple port inputs and outputs. The circulator is an irreversible one-way three-port component that allows light propagate in a specific direction.
-
A non-reciprocal device with multiple port inputs and outputs
The circulator is an irreversible one-way three-port component that allows light propagate in a specific direction. Circulators can be divided into nonpolarization-maintaining circulator and polarization maintaining circulator.
Non-polarization-maintaining circulator consists of birefringent beam displacer, polarization element, Faraday rotator, half-waveplate and collimator.
Polarization-maintaining optical circulator consists of input polarizer, Faraday rotator, half-waveplate, output polarizer and collimator.
CASTECH produces circulators with low insertion loss, high isolation, low polarization dependent loss and excellent temperature stability. Operating wavelength range is 450~2000nm, and connection of fiber tail can be bare fiber or FC/APC.
Applications：
●Fiber optical sensor system
●Bidirectional signal transmission system
●Dispersion compensation
Iintroduction：
CASTECH's products are produced independently throughout the entire process and can be customized according to customer needs. Refer to the following list for standard products.
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Non-Polarization-Maintaining Type Model Number：HPCIR-t-p-f-λ-e-l-b-h |
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Type(t) |
Power(p) |
Fiber Type(f) |
Wavelength(λ) |
Pigtail Diameter(e) |
Fiber Length(l) |
Filter(b) |
Housing(h) |
|
CIR (Optical Circulator) |
0.3-100 W ... |
1 (HI1060) ... |
980-1064 nm ... |
L (900 μm Loose Tube) B (3 mm Loose Tube) |
1 (1 m) 2 (1.5 m) ... |
C (Contained) N (Not Contained) |
A01 A02 ... |
|
Typical Specifications |
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Withstand Power |
Extinction ratio* |
Insertion Loss |
Minimum Crosstalk |
Peak Isolation |
|
1 W |
＞18 dB |
≤1.2 dB |
≥45 dB |
≥30 dB |
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50 W |
＞18 dB |
≤1.2 dB |
≥45 dB |
≥30 dB |
*Only applicable to polarization maintaining circulator
Housing dimensions(mm)：
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