Features
- Compatible with all FEMTO photoreceivers with threaded 1.035″-40 free space input (FST-models)
- Easy mounting option for standard optical fibers
- Recommended for photosensitive areas of 0.4 mm diameter or more
(coupling efficiency may be compromised for photodiodes with smaller diameter) - Machined from solid stainless steel
- Available adapter types: PRA-FC (FC/PC, FC/UPC), PRA-FCA (FC/APC) and PRA-FSMA
- Other types on request
![](https://www.femto.de/wp-content/uploads/PRA-FC_DB_R3.webp)
![](https://www.femto.de/wp-content/uploads/PRA-FCA_DB_R0.webp)
![](https://www.femto.de/wp-content/uploads/PRA-FSMA_DB_R3.webp)
Application
With the photoreceiver accessory series FEMTO offers fiber connectors which allow connecting the most common types of optical fibers to photoreceivers with 1.035″- 40 externally threaded free space input without considerable optical losses. Adapters for optical cables with FC connectors (FC/PC, FC/APC, FC/UPC) and FSMA connectors are available.
![](https://www.femto.de/wp-content/uploads/PRA-FCA_OE-300-SI-10-explosion_DB_R0.webp)
Mounting tool AT-W1
The spanner wrench serves for fast mounting and unmounting of the FEMTO fiber-adapters PRA-FC, PRA-FCA und PRA-FSMA to the 1.035″-40 free space input (FST-models) of FEMTO photoreceivers.