Single Mode FBT Coupler

单模光纤拉锥式耦合器
Single Mode FBT Coupler
CSRAYZER’s Single Mode FBT Coupler SMTC Series Products, are used to split input one single mode fiber signal according to the coupling ratio. They are widely used in fiber laser, optical fiber amplifier, optical fiber communication and fiber sensor, with compact dimension, low insertion loss, low polarization dependent loss and high stability.
◆Specifications
Parameters Unit Values
Configuration - 1X2 or 2X2
Center Wavelength nm 633 780 830 980 1064 1310 1550 2000
Operating Wavelength Range nm ¯3 ¯10 ¯10 ¯15 ¯15 ¯20 ¯20 ¯20
Polarization Dependent Loss dB 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.2
Typ. Excess Loss dB 0.8 0.5 0.5 0.4 0.4 0.4 0.3 0.5
Max. Excess Loss dB 1.2 0.8 0.8 0.6 0.6 0.6 0.5 0.7
Min. Return Loss dB 50
Optical Power mW 100 200 200 300 500 2000 2000 4000
Max. Tensile Load N 5
Fiber Type - 630HP 780HP 780HP Hi980 Hi1060 SMF28e SM1950
Working Temperature ℃ -5 to +75℃
Storage Temperature ℃ -40 to +85℃
Coupling Ratio and Tolerance
Coupling Ratio % 1/99 2/98 5/95 10/90 20/80 30/70 40/60 50/50
Tolerance % ¯0.3 ¯0.5 ¯0.7 ¯1.0 ¯2.0 ¯2.0 ¯2.5 ¯3.0
*IL is 0.3 dB higher and RL is 5 dB lower for each connector added.

◆Ordering Information
SMTC--①-②-③-④-⑤-⑥-⑦-⑧-⑨
①Center Wavelength ②Configuration ③Coupling Ratio ④Package Dimension ⑤Fiber Type ⑥Fiber Length ⑦Fiber Jacket ⑧Connector ⑨Power Type
1064-1064nm 12-1*2 1-1/99 C1-2.4*25mm Hi980-Hi980 0.8-0.8M 0-Bare Fiber N-None C-Continuous
1550-1550nm 22-2*2 10-10/90 C2-2.4*30mm Hi1060-Hi1060 1-1M 1-900μm Loose Tube FU-FC/PC P-Pulse
2000-2000nm 13-1*3 50-50/50 C3-3.0*54mm SMF28e-SMF28e S-Specify 2-2mm Cable FA-FC/APC
S-Specify S-Specify S-Specify S-Specify 3-3mm Cable S-Specify
*Above specifications are for device without connector and may change without notice.