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Athermal Packaged FBG is a method of compensating the temperature coefficient of fiber grating with a negative temperature coefficient packaging sleeve. It uses a material that does not have a negative temperature coefficient. The encapsulation sleeve can just fully compensate the wavelength drift caused by the temperature change of ...
  • Center Wavelength Range: 1460 - 1610 nm
  • FBG Length: 1 mm, 15 mm, 10 mm, 5 mm, 3 mm
  • Reflectivity: 3 - 90%
  • Bandwidth (FWHM): >0.2 nm
  • Insertion Loss: <0.2 dB
  • ...
Data Sheet
Apodized FBG is a wavelength-reflecting optical device produced by ultraviolet light and phase mask inscription on the optical fiber. It is a basic optical fiber sensing element and is widely used in the fields of optical communication and sensing. AtGrating adopts advanced production technology and Apodized technology to mass ...
  • Center Wavelength Range: 1460 - 1610 nm
  • FBG Length: 1 mm, 15 mm, 10 mm, 5 mm, 3 mm
  • Reflectivity: 3 - 90%
  • Wavelength Tolerance: +/-0.5 nm
  • Bandwidth (FWHM): 0.1~0.8 nm
  • ...
Data Sheet
Long Period Fiber Grating (LPFG) is formed by the periodic refractive index modulation in the fiber axis, and its period is generally larger than 100µm. Its coupling mechanism is: the fundamental mode of the fiber core transmitted forward is coupled into the cladding mode of the forward transmission of several specific ...
  • Center Wavelength Range: 1530 - 1625 nm
  • FBG Length: >25 mm, 25 mm, 20 mm
  • Reflectivity: Not Specified
  • Transmission Loss: >90 %
  • Bandwidth (FWHM): 1~3 nm
  • ...
Data Sheet
The wavelength of pump laser diode is varied at different operating temperatures. Fiber Bragg Gratings (FBG) Wavelength Locker with low reflectivity is used to stabilize the wavelength and intensity of EDFA pump laser. It can stabilize the channel wavelength to ITU-T Grid standard wavelength in DWDM systems, network monitoring and ...
  • Center Wavelength Range: 940 - 1070 nm
  • FBG Length: 1 mm, 3 mm, 5 mm, 10 mm, 15 mm
  • Reflectivity: >1%
  • Center Wavelength: 940, 972-978, 1064, 1070 nm
  • Wavelength Tolerance: +/-0.25 nm
  • ...
Data Sheet
The grating period of Chirped FBG is not constant, but varies along the axial direction. Different grating periods correspond to different Bragg reflection wavelengths, and incident light of different wavelengths is reflected at different positions of the chirped fiber grating, so that the light of different wavelengths will produce ...
  • Center Wavelength Range: 1064 - 1650 nm
  • FBG Length: 1 mm, 3 mm, 5 mm, 10 mm, 15 mm
  • Reflectivity: 10 - 90%
  • Bandwidth (FWHM): 10 (1-15) nm
  • SLSR: >10 dB
  • ...
Data Sheet
The tunable fiber gratings are based on our innovative patented tuning technology that utilizes pure compressive strain tuning to achieve a large wavelength tuning range.The fiber grating tuner is designed to tune the wavelength of various types of fiber grating including fiber Bragg grating, phase-shifted fiber grating, or long ...
  • Center Wavelength Range: 1060 - 2000 nm
  • FBG Length: Custom
  • Reflectivity: 30 - 99%
  • Wavelength Tuning Range:: >20 nm ~ 50nm 
Data Sheet
50G Fiber Bragg Gratings Filter
Broptics Technology Inc
When the channel spacing getting narrower, FBG filter gains its advantages of precise center wavelength position and channel extraction capability. Broptics makes 50G FBG filter specifically for high demanding Dense WDM and Optical Add/Drop Multiplexer applications. While Thin Film filter is technically uneasy to meet 50G filter ...
  • Center Wavelength Range: 1532 - 1536 nm
  • FBG Length: Not Specified
  • Reflectivity: 3 - 90%
Data Sheet
Gain Flattening Filter
Broptics Technology Inc
The gain flattening filter (GFF), or gain equalizer (GEQ), is used to compensate for the uneven gain amplification at different DWDM channel by Er-doped fiber amplifier (EDFA). Broptics develops two fiber grating technologies to achieve best price/performance value for customers.Chirped Fiber Bragg Gratings (CFBG)Chirped gratings is ...
  • Center Wavelength Range: 1525 - 1565 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
Data Sheet
Tunable FBG is a good solution for many applications including where corrected central Bragg wavelength is necessary. Central wavelength of FBG strongly depends on applied stresses. The mechanics induced strain to the FBG shifting linearly its central wavelength. Relative strain sensitivity of FBGs wavelength is 0.78 10-6 ...
  • Center Wavelength Range: 600 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
  • SLSR, DB: › 8 
  • Types Of Fiber: Single-Mode, PM, Double clad, LMA 
  • ...
Data Sheet
Fiber Bragg Gratings are sensitive to changes in temperature. Their thermo sensitivity is about 6.7 ppm/ ⁰K (+0.11 pm/ ⁰K at wavelength 1550 nm).
  • Center Wavelength Range: 600 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
  • Types Of Fiber: Single-Mode, PM, Double clad, LMA  
  • Thermal Wavelength Stability (0 ÷ +70 ֩C), Nm: < 0.16  
  • ...
Data Sheet
The Wavelength Locker FBGs are used as external reflectors for laser diodes. It is easy to stabilize wavelength generation of pump semiconductor lasers and single frequency lasers by using such FBGs. Low reflection gratings with FWHM 0.3 ÷ 0.8 nm and reflectivity 2 ÷ 5 % are ideal for pump power lasers stabilization. ...
  • Center Wavelength Range: 400 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: 3 - 90%
  • FBG Recoating: None, Acrilate, Polyimide, Aluminium, Copper 
  • Types Of Fiber: Single-Mode, PM, Double clad  
  • ...
Data Sheet
Femtosecond FBGs can be made into all optical transparent fiber materials with a broad range of fiber coatings without stripping the coating from fiber and without the need of recoating in future.
  • Center Wavelength Range: 400 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
  • Reflectivity, %: 0.01 ÷ 95 
  • SLSR, DB: ‹ 8 ÷ 25  
  • ...
Data Sheet
The apodized FBGs have special profile of induced refractive index modulation and grating strength along the grating length. Therefore, side lobes level becomes smaller in compared to ordinary gratings. There are a lot of apodization profiles which lead to the optimization of various FBG parameters such as strength, FWHM, SLSR, the ...
  • Center Wavelength Range: 633 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
  • Reflectivity, %: 5 ÷99 
  • Chirp Rate, Nm/cm: 0.01 ÷ 25 
  • ...
Data Sheet
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.
  • Center Wavelength Range: 600 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
  • Reflectivity, % (Low-reflection(LR)): 5 ÷ 40 
  • Reflectivity, % (High-reflection(HR)): › 99 
  • ...
Data Sheet
Fiber Bragg Gratings have many applications in optical communication, laser technique and sensing systems. The FBGs are widely used in-fiber mirrors and optical filters with narrow band optical spectrum. FBGs can be used as a sensitive element for strain and temperature measurements.
  • Center Wavelength Range: 600 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
  • SLSR, DB : ‹ 8 ÷ 25  
  • Reflectivity, %: 50 ÷ 99 
  • ...
Data Sheet
Fiber Bragg Gratings have many applications in optical communication, laser technique and sensing systems. The FBGs are widely used in-fiber mirrors or optical filters with narrow band optical spectrum. FBGs can be used like a sensitive element for strain and temperature measuring.
  • Center Wavelength Range: 600 - 2300 nm
  • FBG Length: Not Specified
  • Reflectivity: >90%
  • Reflectivity, %: 0.5 ÷ 99.9 
  • Bandwidth (WFHM), Nm: 0.1 ÷ 1.2 
  • ...
Data Sheet
Highly efficiently multicascaded Raman lasers based on phosphosilicate fibers can be created at different wavelength. Raman shift by 1330 cm-1 in opposite to Ge-doped fibers is approximately three times larger.  Output emission spectrum of two-cascade 1.48 µm Raman fiber laser is presented in the graph.
  • Center Wavelength Range: 1240 - 1484 nm
  • FBG Length: Not Specified
  • Reflectivity: >90%
  • Wavelength Range, Nm: 1240,1270,1484 
  • Types Of Fiber: Single-Mode, PM, Double clad, LMA 
  • ...
Data Sheet
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 ...
  • Center Wavelength Range: 600 - 2300 nm
  • FBG Length: Custom
  • Reflectivity: >90%
  • Tilt Angle, °: 1 ÷ 45 
  • Reflectivity, %: 5 ÷ 99 
  • ...
Data Sheet
Fiber Bragg Gratings & Fiber Optic Sensors Sensors, Long Period, Gratings, Chirped, Tilted
  • Center Wavelength Range: 1545 - 1550 nm
  • FBG Length: Custom
  • Reflectivity: Not Specified
Data Sheet
Standard Phase shifted FBG
Advanced Optics Solutions
Phase shifted Fiber Bragg gratings show a very narrow transmission band within its reflection bandwidth. Using special structures, even multiple transmission bands are possible. The phase shifted FBGs can be applied to an athermal setup or a temperature stabilization, as well as to a tuning setup.
  • Center Wavelength Range: 1280 - 1620 nm
  • FBG Length: Custom
  • Reflectivity: >90%, >70%, >50%, >30%, >20%
Data Sheet