Description
The Tilted FBG has an angle between wave vector of the grating and fiber axis. Therefore cladding modes resonances peaks become more intensive compared to ordinary gratings. TFBG cladding modes resonances wavelength are highly sensitive to the refractive index of the medium outside the fiber cladding. TFBGs are useful in sensing applications. Possible value of tilt angle is 1⁰ ÷ 45⁰. The TFBG transmission spectrum of 10mm length with tilt angle of 3⁰ is presented in the graph.
TILTED FIBER BRAGG GRATING GTL-FBG-TL-860
Specifications
| Center Wavelength Range: | 600 – 2300 nm |
|---|---|
| FBG Length: | Custom |
| Reflectivity: | >90% |
| Tilt Angle, °: | 1 ÷ 45 |
| Reflectivity, %: | 5 ÷ 99 |
| Bandwidth (WFHM), Nm: | 0.1 ÷0.8 |
| SLSR, DB: | › 8 |
| FBG Length : | 1 ÷ 20 |
| FBG Recoating: | None, Acrylate, Polyimide, Aluminium, Copper |
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Applications
Fiber Bragg Gratings have many applications in optical communication, laser technique and sensing systems. The FBGs are widely used like in-fiber mirrors or optical filters with narrow band optical spectrum. FBGs can be used like a sensitive element for strain and temperature measuring.
Frequently Asked Questions
What is a Tilted Fiber Bragg Grating (TFBG)?
What are the applications of Fiber Bragg Gratings (FBGs)?
What is the possible range of tilt angle for TFBGs?
What is the wavelength range for the TFBG GTL-FBG-TL-860?
What is the reflectivity range for the TFBG GTL-FBG-TL-860?
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