1940nm ISO+Polarization Beam Combiner/Splitter

The 1940nm Isolator & Polarization Beam Combiner/Splitter can be used either as a polarization beam combiner to combine light beams from two PM input fibers into a single output fiber, or as a polarization beam splitter to split light from an input fiber into two output fibers of orthogonal polarization states.

DK Photonics offers a large selection of IPBS/C. These devices can handle powers rang from 300mW to 10W or other on request, and have center operating wavelengths ranging from 1064 nm to 2050nm.

If you do not see a standard Polarization Beam Combiner/Splitter that meets your needs, we welcome the opportunity to review your desired specification and quote a custom Polarization Beam Combiner/Splitter. Requests for custom fiber pigtails, different wavelengths and handling power of operation or other specific needs will be readily addressed.

Performance Specifications

PARAMETER		UNIT	VALUE
Stage		–	Single stage	Dual Stage
Operating wavelength		nm	1940
Operating bandwidth		nm	±40
Typical insertion loss		dB	1.10	1.20
Max. insertion loss		dB	1.30	1.50
Typ. Peak Isolation at 23℃		dB	20	40
Min. Isolation at 23℃		dB	16	35
Min. Extinction Ratio(for PBS only)		dB	20
Return loss		dB	>50
Directivity		dB	>50
Max. Power Handling		W	0.5, 1, 2, 3, 5, 10
Tensile Load		N	< 5
Fiber Type	Port 1&Port2	–	PM1550 Panda or PM1950 fiber (same to port 3)
	Port 3	–	SMF-28e, or SM1950 fiber, or PM1950 fiber
Operating temperature		℃	-5 ~ +70
Storing temperature		℃	-40 ~ +85
Package dimension		mm	Ф5.5× L35(<5W), 60x12x8(>5W)

Above specifications are for device without connector. All parameters are tested at room temperature.
For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower. The default connector key is aligned to slow axis. Power transmits through the connector less than 2W.
For high power applications, we will use heat sink package, contact DK Photonics for details.

Package Dimension

ISO+Polarization Beam Splitter

ISO+Polarization Beam Combinber

Order information

P/N: IPBC/PBS-①-②-③-④-⑤-⑥-⑦

When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better. If need any connector, we do not recommend choosing a 250μm bare fiber pigtail.

①	②	③	④	⑤	⑥	⑦
Stage	Operating Wavelength	Power Handling (Total)	Fiber type (Port3)	Pigtails Diameter	Fiber Length	Connector
S: Single Stage D: Dual Stage	1940:1940nm XX: Others	L:<500mW 1:1W 2:2W 5:5W 10:10W	1:SM fiber 2:PM fiber, slow axis 45° to port 1 3:PM fiber, slow axis aligned to port 1	25:250μm 90:900μm XX: Others	08:0.8m 10:1.0m XX: Others	00: None FP: FC/PC FA: FC/APC LA: LC/APC XX: Others

Part Number Example: IPBS-S-1940-1-3-25-10-00

Description: 1940nm Single Stage Isolator & Polarization Beam Splitter, 1W, PM1550 fiber at port 3, and slow axis aligned to port 1, with bare fiber, 1.0m fiber length, and no connectors at all ports.

Ordering Information for Custom Parts:

If you need to customize other specifications, please provide detailed description for your requirement.

Product

PBS/PBC

Products