633nm High Power PM Optical Circulator (3-Port / 4-Port)
High-Power Polarization-Maintaining Optical Circulator operating in the visible red band at 633nm / 650nm. Features high inter-port isolation (>25 dB), low insertion loss (<=1.5 dB), and high extinction ratio (>20 dB) handling up to 5W continuous optical power.
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
633, 650
nm
Operating Bandwidth
±5
nm
Port Configuration
3-Port / 4-Port
-
Min. Isolation (Port 2 to 1, Port 3 to 2)
25
dB
Max. Insertion Loss (Port 1 to 2, Port 2 to 3)
1.5
dB
Min. Extinction Ratio @ 23°C
20 (Both axes) / 22 (Fast axis blocked)
dB
Min. Return Loss / Cross Talk
50
dB
Max. Optical Power (CW)
1 / 5
W
Fiber Type
PM630 Panda Fiber on all ports
-
Operating Temperature
+10 to +50
°C
Package Dimensions
Type C117 (90 x 50 x 36 mm)
mm
Technical Datasheet Note
Precision crystal alignment ensures high extinction ratio in the short-wavelength visible band. 5W models require conduction cooling base plate.
Precision crystal alignment ensures high extinction ratio in the short-wavelength visible band. 5W models require conduction cooling base plate.
Configuration and ordering notes
Configuration parameters include port count (3-port standard or 4-port full bidirectional), power rating (1W or 5W), and connector polish.
Selection Guidance: Compare non-reciprocal routing and optical sensing isolation in our 3-Port Optical Circulator for Fiber Sensing Guide ↗ or 1064nm and 1550nm Optical Circulator Selection.
Key Applications
Confocal laser scanning microscopy; Optical coherence tomography (OCT); Visible wavelength interferometry; Flow cytometry.
Package Drawing
Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.