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China Suppliers IR Broadband Filter (WBP) - High-Performance Factory Custom Optical Solutions
| Product Name | 50% CUT ON LEFT | 50% CUT ON RIGHT | HPB(nm) | High-transparency area | Tmin | Tavg | Size (mm) | Sub Material | Blocking | Tmax | Tavg | Spectrogram |
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| WBP850~2650 | 1000~2500 | / | ≥90 | Φ0.1~300 | Sapphire |
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| WBP970~2470 | 900 | 2400 | ／ | 1100~2300 | / | ≥85 | Φ0.1~300 | D263T | 200~3500 | <1 |
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| WBP1000~3000 | 970 | 2470 | ／ | 1100~2300 | / | ≥90 | Φ0.1~300 | Glass Ceramic | 200~3560 | <1 |
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| WBP1520~1850 | 1520 | 1850 | ／ | 1600~1750 | / | ≥80 | Φ0.1~300 | Si | 400~3300 | <1 |
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| WBP1550~1750 | 1550 | 1750 | ／ | 1600~1700 | / | ≥80 | Φ0.1~300 | Si | 1500~2800 | <1 |
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| WBP1550~5050 | 1550 | 5050 | ／ | 1600~5000 | / | ≥80 | Φ0.1~300 | Si | 1500~5580 | <1 |
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| WBP1615~2735 | 1650~2700 | / | ≥85 | Φ0.1~300 | JGS3 | 400~1550 | <1 |
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| WBP1650~2350 | 1650 | 2350 | ／ | 1700~2250 | / | ≥80 | Φ0.1~300 | Si | 400~4000 | <10 |
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| WBP1900~2250 | 1900 | 2250 | ／ | 2000~2150 | / | ≥80 | Φ0.1~300 | Si | 1500~5000 | <1 |
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| WBP2000~2400 | 2000 | 2400 | ／ | 2080~2330 | / | ≥75 | Φ0.1~300 | White Glass | 400~6500 | <1 |
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| WBP2050~2350 | 2050 | 2350 | ／ | 2150~2250 | / | ≥80 | Φ0.1~300 | Si | 1500~2800 | <1 |
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| WBP2050~2500 | 2050 | 2500 | ／ | 2150~2450 | / | ≥80 | Φ0.1~300 | Si | 1500~5000 | <1 |
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| WBP2080~2350 | 2080 | 2350 | ／ | 2135~2330 | / | ≥80 | Φ0.1~300 | Si | 1500~2800 | <1 |
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| WBP2080~2430 | 2080 | 2430 | ／ | 2180~2330 | / | ≥80 | Φ0.1~300 | Si | 1500~2800 | <1 |
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| WBP2170~3670 | 2170 | 3670 | ／ | 2300~3600 | / | ≥85 | Φ0.1~300 | Si | 1500~5000 | <1 |
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| WBP2250~3810 | 2250 | 3810 | ／ | 2340~3670 | / | ≥80 | Φ0.1~300 | Si | 1500~5000 | <1 |
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| WBP2300~3600 | 2200 | 3750 | ／ | 2300~3600 | / | ≥85 | Φ0.1~300 | Si | 1500~5000 | <1 |
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| WBP2300~3700 | 2250 | 3770 | ／ | 2300~3700 | / | ≥90 | Φ0.1~300 | Si | 1500~5000 | <1 |
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| WBP2350~2750 | 2400~2700 | / | ≥80 | Φ0.1~300 | Si | 400~6000 | <1 |
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| WBP2400~3150 | 2400 | 3150 | 2500~3000 | / | ≥90 | Φ0.1~300 | Sapphire | 400~10500 | <1 |
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FAQ - Frequently Asked Questions
Q1: What substrate materials are available for these bandpass filters?
Our bandpass filters utilize premium optical substrates including Sapphire, Silicon (Si), Germanium (Ge), D263T, Glass Ceramic, Quartz, and Zinc Selenide (ZnSe) to ensure optimal performance across UV, Visible, and IR wavelength ranges.
Q2: Can I request a custom size or dimension for the filters?
Yes, we support custom sizing. While our standard stock sizes range from Φ0.1mm to 300mm, we can custom-cut and fabricate filters to match your precise dimensional and tolerance requirements.
Q3: What is the typical average transmission (Tavg) of the filters?
Most of our high-transparency bandpass filters feature a Tavg of ≥80%, ≥85%, or ≥90% depending on the specific substrate material and configured wavelength band.
Q4: How does the out-of-band blocking range affect the filter's performance?
The blocking range defines the spectral region where transmission is strongly attenuated (typically Tavg < 1% or < 10%). A wider blocking range ensures superior signal-to-noise ratio by cutting out unwanted background light.
Q5: How can I view the spectrogram curve for a specific product?
You can easily view the spectrogram by clicking on the thumbnail image in the "Spectrogram" column of the specification table. This will open the high-resolution transmission curve.
Q6: What should I do if a specific model or wavelength is not listed?
If you require custom optical coatings, specific blocking levels, or customized wavelength cuts, please click the "contact us" link to submit an inquiry, and our engineering team will assist you.