Optical Switches
Ultra-Broadband/Low-Loss 1×3, 1×4 MEMS Fiber Optical Switch
The FF Series fiber optic switch connects optical channels using a micro-mechanical fiber-to-fiber auto-alignment platform activated via an electrical relay. Its advanced, lensless design enables ultra-low insertion loss, broad wavelength compatibility without coatings, and high optical power handling at a significantly reduced cost. The switch is bidirectional and supports all fiber types — including SM, MM, PM, double-cladding, bend-insensitive, and large/small core fibers. Latching operation maintains the optical path after control signal removal, with convenient 5V TTL control. A proprietary, non-fluorescent index-matching liquid fills a sub-5 µm gap between fibers. When configured with PM fibers, both polarizations are transmitted consistently with the fiber orientation and maintain high extinction ratio.

Configuration options
Build & quote
Configure the options below and add your exact build to the enquiry — we confirm the part number and availability.
We confirm the exact part number for your configuration on enquiry.
Type: 1x4 · Switch: Latching · Test Wavelength: 488 · Fiber Type: SMF-28 · Fiber Cover: Bare fiber · Fiber Length: 0.25m · Connector: None · Driver: Non · Benchtop: Non
Specifications
Ultra-Broadband/Low-Loss 1×3, 1×4 MEMS Fiber Optical Switch
| Fiber Type | SM400 | SM450 | SM600 | 780HP | Hi980 | Hi1060 | SM28 | SM1950 |
| Wavelength Range* | 360 – 530nm | 480 – 650nm | 620 – 650nm | 760 – 980nm | 980 – 1550nm | 960 – 1080nm | 1020 – 1900nm | 1.7 – 2.3 µm |
| Insertion Loss | <3dB | <1.3dB | <1.3dB | <1 dB | <1dB | <0.9dB | <0.4dB | ≤0.4dB |
| Isolation | 70 dB | 70 dB | 70 dB | 70 dB | 70dB | 70 dB | 70 dB | 70 dB |
| Max Optical Power | 0.2W | 0.2W | 0.3W | 0.4W | 0.2W | 0.7W | 1W | 1W |
| * The wavelength dependence is solely determined by the fiber property |
| Fiber Type | PM405 | PM460 | PM630 | PM780 | PM850 | PM980 | PM1550 | PM1950 |
| Wavelength Range* | 400 – 680nm | 460 – 700nm | 620 – 650nm | 760 – 800nm | 830 – 870nm | 960 – 1080nm | 1260 – 1650nm | 1850 – 2200nm |
| Insertion Loss | <3dB | <3dB | <1.5dB | <1.4dB | <1.3 dB | <1.1dB | <0.5dB | <0.7dB |
| Isolation | 70 dB | 70 dB | 70 dB | 70 dB | 70 dB | 70 dB | 70 dB | 70 dB |
| * The wavelength dependence is solely determined by the fiber property |
| Fiber Type | MM 50/125 | MM 62.5/125 | FG50LGA | MM 105/125 | STP 50/125 |
| Wavelength Range* | 350 – 2500nm | 350 – 2500nm | 350 – 2500nm | 350 – 2500nm | 700 – 1000nm |
| Insertion Loss | ≤0.3dB | ≤0.3dB | ≤0.3dB | ≤0.5dB | ≤0.5dB |
| Isolation | 50dB | 50dB | 50dB | 50dB | 50dB |
| * The wavelength dependence is solely determined by the fiber property |
| Type 1×4 | Pushbutton and USB Interface with GUI |
Downloads
Datasheets & documents
Need this configured?
Share your wavelength, fiber type, connector, power handling and control requirements and we will qualify the matching configuration and part number.




