China Suppliers Factory SP Shortpass Filter for Isolating Long Waves with Precision Performance
| Product Name | Cut-off range (nm) | Cut-off depth | Transmission range (nm) | Transmission band transmittance | Spectrogram |
|---|---|---|---|---|---|
| LPF800 | 400-770 | >0D4 | 825-1200 | >85% average |
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| LPF825 | 400-795 | >0D4 | 850-1200 | >85% average |
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| LPF850 | 400-820 | >0D4 | 875-1200 | >85% average |
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| LPF875 | 400-845 | >0D4 | 900-1200 | >85% average |
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| LPF900 | 400-870 | >0D4 | 930-1200 | >85% average |
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| LPF925 | 400-895 | >0D4 | 955-1200 | >85% average |
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| LPF950 | 400-910 | >0D4 | 980-1200 | >85% average |
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| LPF975 | 400-935 | >0D4 | 1010-1800 | >85% average |
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| LPF1000 | 400-960 | >0D4 | 1040-1800 | >85% average |
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| LPF1025 | 400-985 | >0D4 | 1070-1800 | >85% average |
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| LPF1050 | 400-1010 | >0D4 | 1100-1800 | >85% average |
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| LPF1075 | 400-1035 | >0D4 | 1130-1800 | >85% average |
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| LPF1100 | 400-1060 | >0D4 | 1160-1800 | >85% average |
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| LPF400 | 200-375 | >0D4 | 420-1200 | >85% average |
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| LPF425 | 200-405 | >0D4 | 445-1200 | >85% average |
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| LPF450 | 200-430 | >0D4 | 470-1200 | >85% average |
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| LPF475 | 200-455 | >0D4 | 495-1200 | >85% average |
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| LPF500 | 200-480 | >0D4 | 520-1200 | >85% average |
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| LPF525 | 200-505 | >0D4 | 545-1200 | >85% average |
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| LPF550 | 200-530 | >0D4 | 575-1200 | >85% average |
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| LPF575 | 200-550 | >0D4 | 600-1200 | >85% average |
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| LPF600 | 200-570 | >0D4 | 625-1200 | >85% average |
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| LPF625 | 200-595 | >0D4 | 650-1200 | >85% average |
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| LPF650 | 200-620 | >0D4 | 675-1200 | >85% average |
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| LPF675 | 200-645 | >0D4 | 700-1200 | >85% average |
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| LPF700 | 200-670 | >0D4 | 725-1200 | >85% average |
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| LPF725 | 200-695 | >0D4 | 750-1200 | >85% average |
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| LPF750 | 200-720 | >0D4 | 775-1200 | >85% average |
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| LPF775 | 200-745 | >0D4 | 800-1200 | >85% average |
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Q What is the difference between the LPF series filter models?
Each model in the LPF series is defined by its specific cut-off range and transmission range. For example, LPF800 has a cut-off range of 400-770 nm and transmits from 825-1200 nm, while LPF400 cuts off at 200-375 nm and transmits at 420-1200 nm.
Q What does the "Cut-off depth >OD4" specification indicate?
An optical density depth of >OD4 means the filter blocks unwanted wavelengths extremely effectively, allowing less than 0.01% of the light in the cut-off range to pass through, ensuring high signal purity.
Q What is the average transmission rate for the transmission bands?
All listed optical filters in this specification table feature a high transmission band efficiency, delivering an average transmittance rate of greater than 85% (>85% average).
Q Are the spectrograms shown in the table representative of actual performance?
Yes, the spectrogram images illustrate the spectral transmission and blocking characteristics of the filters, showing the sharp transition between the cut-off bands and transmission bands.
Q Can I request a custom cut-off range or size if it is not listed in stock?
Absolutely. The table lists our current stock items. If you require custom dimensions, alternative cut-off ranges, or specific transmission curves, please use the contact link to submit an inquiry.