For fiber optic gyroscopes 2mW 1310nm SLED Superluminescent diode laser
A key SLED application is navigation in avionics, aerospace, marine, land and underground systems using fiber-optic gyroscopes (FOGs) for precise rotation measurement. A FOG measures the Sagnac phase shift of light in a fiber coil as it rotates about its axis, tracking orientation changes when integrated into a navigation system. Basic components include a light source, a single-mode fiber coil, optionally polarization-maintaining, a coupler, modulator and detector. A coupler injects light into the fiber in opposite directions.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength λc [TL=15～35℃ CW] | min:1305 nm；typical:1310 nm；max:1315 nm |
| Peak Output Power P_O | min:3 mW |
| Spectral ripple M [RB=0.1nm, CW 3mW] | max:0.25 dB |
| Optical isolation [-10 < TC < +70°C] | min:30 dB |
| Wavelength drift (EOL) △λ [Service life exceeds 25 years] | max:±0.1 nm |
| Threshold Current I_TH | typical:80 mA |
| Operating Current Iₒₚ [P_O= 3 mW (CW)] | typical:350 mA；max:500 mA |
| TEC set temperature Ts | min:15 ℃；max:35 ℃ |
| TEC Current I_TEC [TL = 25°C, TC = 70°C] | typical:0.8 A；max:1.5 A |
| TEC Voltage V_TEC [TL = 25°C, TC = 70°C] | typical:1.5 V；max:3.5 V |
Applications
Key Features
Datasheet
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Supplier Information
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