1X4 Step-index multimode fiber Optical switch

1X4 Step-index multimode fiber Optical switch 405-640nm 50/125um (NA0.22)

0.9mm 0.5mfiber，FC/UPC, RS-232 Serial Port，135x60x35 module | FSW14M05F

Features：

• Wide spectral compatibility 

Covers the complete visible light band from 405 nm (violet) to 640 nm (red), compatible with common semiconductor lasers, LEDs, and xenon light sources, meeting diverse requirements such as fluorescence detection and confocal imaging.

• Low insertion loss and high channel isolation 

Precision optical alignment and matched design with step-index multimode fiber ensure low insertion loss and low crosstalk between channels, guaranteeing signal integrity and measurement accuracy.

• Robust and durable with industrial-grade reliability 

Equipped with 0.9 mm fiber and FC/UPC connectors, featuring high mechanical strength and excellent insertion-extraction repeatability. The fully metal shielded housing effectively resists electromagnetic interference, adapting to both laboratory and industrial on-site environments.

• Compact modular design

Small dimensions of 135×60×35 mm for easy system integration and rack mounting. Controlled via the standard RS-232 serial port with a simplified command set, supporting direct driving by PCs, PLCs, and embedded systems.

• Flexible channel switching

1-input 4-output architecture (or 4-input 1-output selection), supporting unidirectional optical path selection. Fast switching response and precise channel positioning enable automated multi-channel time-division acquisition when combined with software.

Application：

• Biomedical Applications：Flow cytometry, confocal microscopy, multi-channel fluorescence detection for endoscopes.
• Spectral Analysis：Automatic switching of multi-channel sample cells, LIBS/OES spectral acquisition systems.
• Industrial Inspection：Multi-station light source switching for machine vision, laser marking beam splitting systems.
• Scientific Research Experiments：Automatic optical path configuration, time-division multiplexing of multiple detectors, quantum optics experiment platforms.

Specifications：

Product Dimensions

Optical Route：

Pin Configurations：

Control Diagram： 

Control Commands：

● “_”stands for underscore.

●  All letters in the communication protocol shall be in uppercase.

●  This module can execute only one command at a time. Normally, the next command can be entered only after the program returns a response.

●  In actual operation, enter the angle bracket “ <“ as the start character and “ >“ as the end character.

Note: The module serial port baud rate is 9600, data bits: 8, stop bits: 1, no parity.If the sent command is invalid, the optical switch returns the response command <OSW_ERROR> 。

Order Information ：

Note: For other customized specifications, please contact us at: sale@fiberwdm.com