AC Photonics, Inc.

1x2 and 2x2 PM Fused Coupler

1x2 and 2x2 PM Fused Coupler
Features
  • Low Excess Loss and Insertion Loss
  • High Power Handling
  • High Stability and Reliability
  • High Extinction Ratio
  • Operating On Both Fast and Slow Axes
Applications
  • Power Monitoring
  • Coherent Communication
  • Fiber Laser and Amplifier
  • Fiber Gyroscope
  • Fiber Sensor
  • Instrumentation

Specifications

Parameter Unit Specifications
Operating wavelength nm 780±15, 850±15 980±15, 1064±15 1310±15, 1550±15
Grade P A P A P A
Insertion loss (Max.) (Coupling ratio: 50/50%) dB 3.6/3.6 3.8/3.8 3.6/3.6 3.8/3.8 3.6/3.6 3.8/3.8
Insertion loss (Max.) (Coupling ratio: 40/60%) dB 5.2/3.1 5.4/3.3 5.2/3.1 5.4/3.3 5.2/3.1 5.4/3.3
Insertion loss (Max.) (Coupling ratio: 30/70%) dB 5.8/2.0 6.1/2.1 5.8/2.0 6.1/2.1 5.8/2.0 6.1/2.1
Insertion loss (Max.) (Coupling ratio: 20/80%) dB 8.0/1.5 8.2/1.7 8.0/1.5 8.2/1.7 8.0/1.5 8.2/1.7
Insertion loss (Max.) (Coupling ratio: 10/90%) dB 11.6/1.2 11.8/1.4 11.6/1.2 11.8/1.4 11.6/1.2 11.8/1.4
Insertion loss (Max.) (Coupling ratio: 5/95%) dB 14.8/0.80 15.0/1.0 14.8/0.80 15.0/1.0 14.8/0.80 15.0/1.0
Insertion loss (Max.) (Coupling ratio: 2/98%) dB 18.4/0.40 18.9/0.50 18.4/0.40 18.9/0.50 18.4/0.40 18.9/0.50
Insertion loss (Max.) (Coupling ratio: 1/99%) dB 22.0/0.35 22.5/0.40 22.0/0.35 22.5/0.40 22.0/0.35 22.5/0.40
Excess loss (Max) dB 0.80 1.0 0.80 0.10 0.40 0.60
ER* dB High ratio port: 20
Low ratio port: 16
High ratio port: 18
Low ratio port: 14
High ratio port: 20
Low ratio port: 16
High ratio port: 18
Low ratio port: 14
High ratio port: 20
Low ratio port: 16
≤ High ratio port: 18
Low ratio port: 14
CR Tolerance @ ʎc (%) % 50/50 : ±3.0
40/60 :±2.5
30/70 : ±2.0
20/80 : ±2.0
10/90 : ±1.0
5/95 : ±0.5
2/98 : ±0.3
1/99 : ±0.2
Thermal Stability dB/°C ≤ 0.005
Return loss dB ≥ 55
Directivity dB ≥ 50
Optical Power mW ≤ 500
Operating Temperature °C - 20 to +75 ( - 40 to +85 Available upon request)
Storage Temperature °C - 40 to +85
Package Dimensions mm A= Standard, Ø3.0xL54 for 250um
Ø3.0xL60 for 900um

M=Compact, Ø3.0xL35 for 250um
Ø3.0xL54 for 900um

Note:

*ER: Extinction ratio.
IL is 0.3dB higher, RL 5dB lower and ER 2dB lower for each connector added.
Connector key is aligned to slow axis.

All values refenced are without connector.