Wuhan Star Optic Technology Co., Ltd
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Product Specification
Bandpass Filters (BPF) – Allow a specific wavelength band to pass while blocking others. Used in DWDM/CWDM systems.
Edge Filters (Longpass/Shortpass) – Transmit wavelengths above (longpass) or below (shortpass) a cutoff. Used for pump/signal separation in EDFAs.
Notch Filters (Bandstop) – Block a narrow band of wavelengths. Used for laser protection or ASE suppression.
Gain Flattening Filters (GFF) – Equalize gain across wavelengths in EDFAs or Raman amplifiers.
Thin-Film Filters (TFF) – High stability, low loss, widely used in transceivers (e.g., 100G/400G modules).
Arrayed Waveguide Gratings (AWG) – Multi-channel filtering for high-density wavelength routing.
Center Wavelength (CWL) – e.g., 1310 nm, 1550 nm, or specific ITU grid channels.
Bandwidth (FWHM or 0.5 dB/3 dB width) – e.g., 0.4 nm for DWDM, 13.5 nm for CWDM.
Insertion Loss (IL) – Typically < 1.0 dB.
Ripple – ≤ 0.3 dB (in-band flatness).
Isolation/Rejection – e.g., > 25 dB at adjacent channels.
Return Loss (RL) – ≥ 45 dB.
Thermal Stability – < 2 pm/°C for DWDM.
Reliability – Telcordia GR-1221/1209 compliant.
Transceivers (SFP, QSFP, OSFP) – WDM multiplexing/demultiplexing.
Coherent Modules – Linewidth narrowing and sideband filtering.
PON OLT/ONU – Upstream/downstream wavelength separation.
Optical Amplifiers – Pump rejection, gain flattening, ASE filtering.
Standard stock – OD4@200-1700nm&OD7@1553.33nm,T>90%@1536.61nm, AOI 0°
Custom options – Non-standard center λ, ultra-steep edges, temperature-compensated designs, smaller footprint (e.g., 10*10 mm).
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2017
Total Annual:
1000000-3000000
Employee Number:
10~50
Ecer Certification：
Verified Supplier
Who We Are? Wuhan Star Optic Technology Co., Ltd as a registered Hi-Tech company has been focusing on manufacturing high precision of optical components ever since its foundation in 2017. It is located in Wuhan Optics Valley of China and was founded as a mast... Who We Are? Wuhan Star Optic Technology Co., Ltd as a registered Hi-Tech company has been focusing on manufacturing high precision of optical components ever since its foundation in 2017. It is located in Wuhan Optics Valley of China and was founded as a mast...
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