更新时间：2012-04-28 11:51:28
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●Product Description
Our Bandpass Filters pass a narrow spectral band of UV, visible, or NIR radiation and reject out-of-band wavelengths from the X-ray to the far IR. Applications include spectral radiometry, medical diagnostics, chemical analysis, colorimetry, astronomy, and wherever spectral isolation is required.
●Product Detail
●Specifications
| Minimum Active Area |
20.2 mm diameter for round filters; 45.5 mm sq for square filters |
| Surface Quality | 80-50 scratch-dig; F/F per MIL-F-48616 |
| Size Tolerance | +0/-0.5 mm |
| Thickness | £7.6 mm |
| Out-of-Band Blocking | Xray–Far IR, T£0.01% or 10-4 (a crossover leak may be present on some models - see data curves) |
| Wavelength Shift with Temperature | 0.01 to 0.02 nm/° C |
| Specification Temperature | 23 °C |
| Temperature Range | -50°C to +100°C (70°C for Mercury Line Filters) |
| Humidity Resistance | Per MIL-STD-810E, method 507.3, procedure III, modified to 5 cycles |
| Cleaning | Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended |
| Damage Threshold | Not for high power lasers |
| Data Curve Information |
Bandshape specifications and marker wavelengths are provided as approximate reference data only |
|
Model |
Center Wavelength (nm) |
FWHM (nm) |
Minimum Peak Transmission (%) |
Effective Index of Refraction ne |
| 80 mm square | ||||
| 20BPF25-400 | 400±3.5 | 25±3.5 | 35 | 1.55 |
| 20BPF10-410 | 410±2 | 30±2 | 45 | 1.5 |
| 20BPF10-420 | 420±2 | 30±2 | 45 | 1.5 |
| 20BPF10-430 | 430±2 | 30±2 | 45 | 1.5 |
| 20BPF10-440 | 440±2 | 30±2 | 45 | 1.5 |
| 20BPF10-450 | 450±2 | 30±2 | 45 | 1.5 |
| 20BPF25-450 | 450±3.5 | 45±3.5 | 45 | 2.0 |
| 20BPF10-460 | 460±2 | 30±2 | 50 | 2.0 |
| 20BPF10-470 | 470±2 | 30±2 | 50 | 2.0 |
| 20BPF10-480 | 480±2 | 30±2 | 50 | 2.0 |
| 20BPF10-490 | 490±2 | 10±2 | 50 | 2.0 |
| 20BPF10-500 | 500±2 | 10±2 | 50 | 2.0 |
| 20BPF25-500 | 500±3.5 | 25±3.5 | 50 | 2.0 |
| 20BPF10-510 | 510±2 | 30±2 | 50 | 2.0 |
| 20BPF10-520 | 520±2 | 30±2 | 50 | 2.0 |
| 20BPF10-530 | 530±2 | 30±2 | 50 | 2.0 |
| 20BPF10-540 | 540±2 | 10±2 | 50 | 2.0 |
| 20BPF10-550 | 550±2 | 10±2 | 50 | 2.0 |
| 20BPF25-550 | 550±3.5 | 25±3.5 | 50 | 1.5 |
| 20BPF10-560 | 560±2 | 30±2 | 50 | 2.0 |
| 20BPF10-570 | 570±2 | 30±2 | 50 | 2.0 |
| 20BPF10-580 | 580±2 | 30±2 | 50 | 2.0 |
| 20BPF10-590 | 590±2 | 30±2 | 50 | 2.0 |
| 20BPF10-600 | 600±2 | 30±2 | 50 | 2.0 |
| 20BPF25-600 | 600±3.5 | 45±3.5 | 50 | 1.5 |
| 20BPF10-610 | 610±2 | 30±2 | 50 | 2.0 |
| 20BPF10-620 | 620±2 | 25±2 | 50 | 2.0 |
| 20BPF10-630 | 630±2 | 30±2 | 50 | 2.0 |
| 20BPF10-640 | 640±2 | 10±2 | 50 | 2.0 |
| 20BPF10-650 | 650±2 | 10±2 | 50 | 2.0 |
| 20BPF25-650 | 650±3.5 | 25±3.5 | 50 | 1.5 |
| 20BPF10-660 | 660±2 | 50±2 | 50 | 2.0 |
| 20BPF10-670 | 670±2 | 31±2 | 50 | 2.0 |
| 20BPF10-680 | 680±2 | 31±2 | 50 | 2.0 |
| 20BPF10-690 | 690±2 | 21±2 | 50 | 2.0 |
| 20BPF10-700 | 700±2 | 20±2 | 50 | 2.0 |
| 20BPF25-700 | 700±3.5 | 35±3.5 | 50 | 1.5 |
| 20BPF10-750 | 750±2 | 30±2 | 50 | 2.0 |
| 20BPF25-750 | 750±3.5 | 25±3.5 | 50 | 1.5 |
| 20BPF10-800 | 800±2 | 30±2 | 45 | 1.47 |
| 20BPF10-850 | 850±2 | 30±2 | 45 | 1.47 |
| 20BPF10-900 | 900±2 | 30±2 | 45 | 1.47 |
