SM couplers

We offer optical devices for CATV, measurement or education purpose. The devices can be couplers, WDM, filters, attenuators or programmable couplers.

SM couplersSM couplers

Packaged in plastic house or in stainless tube to place in splicing cassette.

Specifications: Singlemode standard couplers
Specification/GradeA GradeB GradeC Grade
Operating Wawelengths1300, 1310 or 1500 nm
Coupling Ratio Tolerance±1,5%±2%±4%
Excess Loss (dB)<0,15 dB<0,2 dB<0,3 dB
Thermal Stability<0,1 dB
Polarization<0,1 dB
Directivity1x2>55 dB / 2x2>50 dB
Uniformity (50/50)0,17 dB0,35 dB0,53 dB

Insertion Loss
Specification/GradeA Grade B GradeC Grade
50/503,2 (3,5*)3,4 (3,7*)3,6 (3,9*)
45/553,7/2,8 (4,0/3,1*)3,9/3,0 (4,2/3,36*)4,1/3,2 (4,4/3,5*)
40/604,2/2,4 (4,5/2,7*)4,4/2,6 (4,7/2,9*)4,7/2,8 (5,0/3,1*)
35/654,8/2,0 (5,1/2,3*)5,0/2,2 (5,3/2,5*)5,3/2,4 (5,6/2,7*)
30/705,5/1,7 (5,8/2,0*)5,7/1,9 (6,0/2,0*)6,1/2,1 (6,4/2,4*)
25/756,3/1,5 (6,6/1,8*)6,6/1,6 (6,9/1,9*)7,0/1,8 (7,3/2,1*)
20/807,3/1,1 (7,6/1,4*)7,6/1,3 (7,9/1,6*)8,2/1,5 (8,5/1,8*)
15/858,6/0,9 (8,9/1,2*)9,0/1,0 (9,3/1,3*)9,8/1,2 (10,1/1,5*)
10/9010,6/0,6 (10,9/0,95*)11,1/0,8 (11,4/1,1*)12,5/1,0 (12,8/1,3*)
5/9514,1/0,4 (14,4/0,71*)15,2/0,5 (15,5/0,8*)20,3/0,7 (20,6/1,0*)

* Means with connector

Multimode standard couplers

Packaged in plastic house or in stainless tube to place in splicing cassette.

Specifications: Multimode standard couplers
Specification/GradeA GradeB GradeC Grade
Operating Wawelengths800-1600 nm
Coupling Ratio Tolerance±3%±5%±5%
Excess Loss (dB)<0,6 dB<0,8 dB<1 dB
Thermal Stability<0,1 dB
Polarization<0,1 dB
Directivity1x2>55 dB / 2x2>50 dB
Uniformity0,52 dB0,7 dB0,7 dB

 

Insertion Loss
Specification/GradeA Grade B GradeC Grade
50/503,8 (4,1*)4,2 (4,5*)4,4 (4,7*)
40/604,9/3,0 (5,2/3,3*)5,3/3,3 (5,6/3,6*)5,5/3,5 (5,8/3,8*)
30/706,2/2,3 (6,5/2,6*)6,8/2,6 (7,1/2,9*)7,0/2,8 (7,3/3,1*)
20/808,2/1,8 (8,5/2,0*)9,0/2,0 (9,3/2,3*)9,2/2,2 (9,5/2,5*)
10/9012,1/1,2 (12,4/1,5*)13,8/1,5 (14,1/1,8*)14,0/1,7 (14,3/2,0*)

* Means with connector

Singlemode tree couplersSinglemode tree couplers

Specifications: Singlemode tree couplers 1 x 3
Specification/GradeA GradeB GradeC Grade
Operating Wawelengths1300, 1310 or 1500 nm
Coupling Ratio Tolerance±1%±2%±3%
Insertation Loss (dB)5,2 (5,5*)5,43 (5,73*)5,9 (6,2*)
Uniformity0,3 dB0,5 dB0,7 dB
Thermal Stability<0,2 dB
Polarization<0,1 dB
Directivity1x2>50 dB

* with connector

Specifications: Singlemode tree couplers 1 x 4
Specification/GradeA GradeB GradeC Grade
Operating Wawelengths1300, 1310 or 1500 nm
Coupling Ratio Tolerance±1%±2%±3%
Insertation Loss (dB)6,49 (6,79*)6,78 (7,08*)7,37 (7,67*)
Uniformity0,3 dB0,7 dB1,0 dB
Thermal Stability<0,2 dB
Polarization<0,1 dB
Directivity1x2>50 dB

* with connector

Specifications: Singlemode tree couplers 1 x 8
Specification/GradeA GradeB GradeC Grade
Operating Wawelengths1300, 1310 or 1500 nm
Coupling Ratio Tolerance±1%±2%±3%
Insertation Loss (dB)9,84 (10,14*)10,3 (10,6*)11,6 (11,9*)
Uniformity0,7 dB1,4 dB2,2 dB
Thermal Stability<0,3 dB
Polarization<0,1 dB
Directivity1x2>50 dB

* with connector

Specifications: Singlemode tree couplers 1 x 16
Specification/GradeA GradeB GradeC Grade
Operating Wawelengths1300, 1310 or 1500 nm
Coupling Ratio Tolerance±1%±2%±3%
Insertation Loss (dB)13,39 (13,69*)14,51 (14,81*)17,67 (17,97*)
Uniformity1,4 dB2,9 dB4,5 dB
Thermal Stability<0,4 dB
Polarization<0,1 dB
Directivity1x2>50 dB

* with connector

1919" Coupler unit