SDFC Dual-fiber Collimator

Fiber Optic Collimator can be used for both collimating a light beam emitted by an optical fiber or coupling light from a collimated light beam into an optical fiber. The numerical aperture of the collimator is optimized for maximum coupling efficiency into typical fused silica fibers. The collimator can, for example, be used to guide a parallel light beam through a sample cuvette or an optical filter with virtually no optical losses. In this application, one collimator collimates the light into a parallel beam 5 mm in diameter, enabling it to pass a long distance without losing the energy. After the light passes the sample media, a second collimator can be used to collect the beam into the receiving fiber. A unique design feature of this collimator is that the distance between the lens and the optical fiber can be easily adjusted. This permits it to be used as a focusing device or for fine-tuning the color balance when coupling light from a light source into multimode fibers.

准直器插图 mini准直器

Future

Low Insertion Loss

High Return Loss

High reliability and stability 

Application

1. Isolators 

2. Circulators 

3. Switches 

4. WDM 

5. Signal processing 

Specification

Parameters

P Grade

A Grade

Wavelength (nm)

1310±30nm,

1550±30nm,
1310/1550±30nm,

980/1550±30nm

or customized

Insertion Loss (Typ.) (dB)

0.17

0.20

Insertion Loss (Max.) (dB)

0.20

0.25

Return Loss (dB)

65

60

Beam Diameter (mm)

< 0.5

Operating Temperature (°C)

-20℃~75℃

Storage Temperature (°C)

-40℃~85℃

Dimensions (mm)

3.2×9 or 10mm metal tube,

2.78×9mm glass tube or customized

Fiber diameter

250um Bare fiber or 900um loose tube

NoteWorking Distance is 10mm

Ordering information

SDFC

SDFC= Dual Fiber Collimator

Lens Type

CL=C-Lens,GL=G-Lens

Wavelength

13=1310nm
15=1550nm
35=1310/1550nm

Grade

P=P Grade,A=A Grade

Working Distance

01=1mm
06=6mm
……
70=70mm

Fiber diameter

B=250um Bare fiber, L=900um loose tube

Fiber Length

A=1.0m,B=1.5m,C=2.0m,S=Customized

Dimensions (mm)

A=3.2×9 or 10mm metal tube,B=2.78×9mm glass tube

Fiber Type

0=SMF-28
1=Corning Flexcore
2=50/125μm
3=62.5/125μm
4=100/140μm

Connector

0=None
1=FC/APC
2=FC/PC
3=SC/APC
4=SC/PC
5=ST
6=LC