F-tone Networks 1625nm pulse laser modules for OTDR are equipped with a high power FP chip with low threshold current and high-efficiency output.Capable of working with a high current,the pulsed laser module can operate in dual mode,pulse and direct current.The multi-mode fiber is optional.This laser diode is generally used in the communication and testing systems that use OTDR and Raman light reflection principles.

The 2.5G 1625nm DFB pigtail diode laser 1mw includes a CWDM-DFB laser chip,built-in isolator,built-in monitor photodiode,4-pin coaxial package, and optional SC,FC,ST,or LC optical fiber connector.It delivers a low threshold and operating current at a output power range between 1MW and 2MW. The length of optical fibers can be supplied according to the customer requirements.Various pin definitions are also available.This series of product can be used as the stabilized light source or modulated light source.It also finds applications in testing apparatus and OTDR equipment.

The FT-DV2120 is a compact module that is based on a modified uni-travelling carrier (MUTC) photodetector chip. The FT-DV2120 is not matched to 50Ω. For applying a bias voltage of -6V, an external bias-Tee is required. It has a responsivity of 0.55 A/W (1550 nm) and a high saturation photocurrent of 150 mA @ 10 GHz. The Ultra-high power PD is capable of delivering ≥ 22 dBm RF output power @ 10 GHz. The device exhibits a high linearity with typical OIP3 values above 30 dBm at a frequency of 10 GHz.

The 20mw-50mw 1310nm pulse laser diode uses a DFB chip and features a maximum output power of 60mw.This high performance makes it an ideal pulse laser diode for use in OTDR systems.

The FT-D3081-108 use a high-performance GaAs PIN photo-detector packaged with a transimpedance amplifier designed to meet performance requirements for data rates up to 2.5Gbps data communication over multi-mode optical fiber at 850nm. Applications include Ethernet, Fiber Channel and ATM protocols.

The FT-D3180-108 use a high-performance GaAs PIN photo-detector packaged with a transimpedance amplifier designed to meet performance requirements for data rates up to 2.5Gbps data communication over multimode optical fiber at 850nm. Applications include Ethernet, Fiber Channel and ATM protocols. The optical assembly is designed to interface either 50µm or 62.5µm multi-mode fiber.