Features

Switch Types: 1x2, 2x2 (Optional 1x4 and 1x8 are Available. Please contact tech support for details.)
USB 2.0 Remote Control
Toggle Pushbutton on Board
TTL Toggle Input
Channel Indication by 7 Segment LED Display
TTL Status Signals
Euro Size Card (100 mm x 160 mm) with Standard DIN 41612 Connector for Easy Integration into 19" Systems
Power Supply Included
RoHS Compliant

Thorlabs offers a line of bidirectional fiber optic switch kits that include a MEMS optical switch with an integrated control circuit that offers a USB 2.0 interface for easy integration into your optical system.Choose from 1x2 or 2x2 MEMS modules with an operating wavelength of 488, 633, 780, 830, 980, or 1310 nm. These bidirectional switches have low insertion loss and excellent repeatability.

The switching mechanism is based on silicon MEMS technology, which ensures high reliability, provides exceptionally low crosstalk between channels, and is inherently very fast (switching time <1ms). These switches, which are designed for the distribution and routing of signals at the indicated visible or near infrared wavelengths, are controlled via an on-board pushbutton switch, a TTL toggle input signal, or digitally via the USB 2.0 port. A seven segment LED displays the active channel.

These optical switch kits can be powered via the USB port (4.75 V - 5.25 VDC 300 mA Max) or the onboard DC power connector (6V - 15 VDC 300 mA Max). The Thorlabs PMPS9 power supply is included.

By default, all switches are shipped without fiber connectors. Termination of the fibers is available upon request; please contact your local Thorlabs office for pricing. Additionally, 1x4 and 1x8 MEMS switch modules are available upon request.

OSW MEMS Fiber Optic Switch Kits Specifications

1x2 Switches, OSW12-	488E	633E	780E	830E	980E	1310E
2x2 Switches, OSW22-	488E	633E	780E	830E	980E	1310E
Operating Wavelength	480-650 nm	600-800 nm	750-950 nm	800-1000 nm	970-1170 nm	1280-1625 nm
Insertion Loss	Max 2 dB at 488 nm	Typ 0.7 dB / Max 1.5 dB
Cross Talk	Typ. 75 dB / Max 60 dB
Polarization Dependent Loss	Typ. 0.02 dB / Max 0.05 dB
Backreflection	Typ. 55 dB / Max 50 dB
Switching Speed	Typ. 0.5 ms / Max 1 ms
Max. Optical Power	30 mW	50 mW	75 mW	85 mW	105 mW	300 mW
Fiber Type (Single Mode)	Fibercore SM450	Fibercore SM600	Fibercore SM750	Fibercore SM800	Fibercore SM980	Corning SMF-28E
Mode-Field Diameter	3.3 µm	4.3 µm	5.3 µm	5.6 µm	6.2 µm	9.2 µm	10.4 µm
Optical Connector	None (or On Request)
Lifetime (no Wear Out)	Proven up to 10⁹ Switching Cycles
Operation	Non-latching
Control	On Board Switch, TTL Signal or USB Remote Control
Operating Voltage	4.75-5.25 VDC 300 mA (USB Connector) or 6-15 VDC 300 mA (DC Power Connector)
Wall Power Supply (Included )	90 - 264 VAC / 9 VDC 1.1 A
Operating Temperature	0 to 40 °C
Storage Temperature	-40 to +70 °C
Dimensions (L x W x H)	170 mm x 100 mm x 20 mm
Weight	<0.3 kg

OSW12_780E

JP5 - Data Link Selector

Interface	JP5A	JP5B	JP5C	JP5D
Virtual COM Port over USB	1-2	1-2	1-2	1-2
RS232 Interface via CON4	2-3	2-3	2-3	2-3

CON4 - TTL Toggle Signal, Power, Switch Status, and RS232

64-pin Connection

CON6 - BNC Female for TTL Toggle Signal

BNC Female

CON8 - USB Type B

USB type B

Software for the OSWxx Series Optical Switches

Use this link to download the below software packages:

The available software is organized into the following categories:

Applications: Standard application-software packages and graphical user interfaces. This is what most users need to operate the device for typical applications.
Drivers: Instrument drivers for the National Instruments™, LabWindows™/CVI and LabVIEW™ development environments. These are intended for developers who want to extend or adapt the functionality of the device to their special requirements.

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Posted Comments:

Poster: igkiou

Posted Date: 2013-01-24 16:25:21.657

Hi, Would it be possible to provide me with a quote and lead time for a 1x4 version of OSW12-488E with FC/PC connectors? You can contact me at the email I provide. Thank you in advance.

Poster: bdada

Posted Date: 2011-10-31 15:57:00.0

Response from Buki at Thorlabs: Thank you for using our feedback tool. The switch will work from about 1250-1650nm. Insertion loss is < 0.9 dB and WDL (wavelength dependent loss) is approximately 0.1-0.3 dB. We expect that crosstalk and return loss should be about the same. We will work on updating our web presentation to make the applicable wavelength range clearer. Please contact TechSupport@thorlabs.com if you have further questions about this matter.

Poster: dirk.taillaert

Posted Date: 2011-10-31 10:36:51.0

A question about the OSW12-1310E switch : it is specified in wavelength range 1285-1330 nm & 1525-1575. I guess it can also be used around 1490nm wavelength ? Will the insertion loss/return loss/crosstalk be worse at that wavelength ?

Poster: jvigroux

Posted Date: 2011-10-20 11:31:00.0

a response from Julien at Thorlabs: We can offer for most wavelengths switches that have 1x4 or even 1x8 architectures. It is possible for all our switches to use them in the reverse direction so that one output can select either one of the inputs.

Poster: parksj

Posted Date: 2011-10-18 11:35:32.0

Dear Sir, It is amazing! However, we are looking for a 1*N (N is 3 or 4) optical switch with this switching time. and also, I wonder that it is possible to work contrariwise(ex. port3->port1 or port2 -> port1) Can you help us with this? Yours, Seongjun Park

Poster: jjurado

Posted Date: 2011-02-01 17:35:00.0

Response from Javier at Thorlabs to tbeom: Thank you very much for submitting your inquiry. We can certainly offer 1 x 4 and 1 x 8 switches as special items, so I will contact you directly with additional information and to set up a formal quotation, if you would like. The main specifications of the 1 x 4 SM switch are the following: Wavelength range: ~1240-1640nm 1.0 dB insertion loss 1 ms response time 60 dB crosstalk

Poster: tbeom

Posted Date: 2011-02-01 09:34:08.0

Please provide me information on the 1x4 version of the optical switch kits. This was listed as an option but I could not find further information. My applicaion is below. -wavelength : 1550 nm -FC/APC -Single mode fiber

Poster: jens

Posted Date: 2009-06-11 08:39:25.0

A reply from Jens at Thorlabs: we can indeed offer 1x4 as a custom item. We would only need to know which wavelength, fiber type and connectors you need. In the past we had for example Multimode Fiber for a broad wavelenght range and single mode at 1310nm, 488nm&514nm and 750nm.

Poster: Lehmann

Posted Date: 2009-06-10 18:59:40.0

Please provide me information on the 1x4 version of the optical switch kits. This was listed as an option but I could not find further information on this.

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