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Product details
Product Introduction:
High performance bandpass filters are used to select specified frequencies within the millimeter wave and submillimeter wave ranges. This filter can be used for various applications, including laboratory and space research. This filter is implemented on the basis of a specially designed multi-layer frequency selective microstructure, which can resonate to transmit radiation within a specified frequency band and reflect out of band radiation. We offer a wide range of choices for high-performance bandpass filters with central frequencies up to severalindividualTHzThe filter exhibits high peak transmission and low out of band spectral leakage. To maximize out of band blocking, it is easy to use two filters in series without causing significant losses in peak transmittance. In addition, filters can be designed according to customer requirements. You can choose custom filter features. Our filtration technology is versatile and can be optimized for various experimental needs, including operation in low-temperature environments.In standard filters, their operating holes are protected by a transparent film.The circular aluminum shell has a black protective coating.
main features:
- Maximum center frequency transmission:νmax0.07~3THz
- Terahertz relative bandwidth: 15~20%
- Peak transmission: 84~97%
- External blockage: 23~40 dB
- Standard aperture: ø50 mm
- Polarization insensitive
- Compatible with vacuum operation
Performance customization:
- Optional auxiliary bracket with optional diameter: 10~75 mm
- Optional νmaxAnd △ ν/νmaxvalue
- Enhanced out of band blockade
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Multi band
- Polarization recognition
- Low temperature operation
An auxiliary bracket can be used to install the filter on the optical experimental platform.
There are two nested supports that allow for placing two filters one after another to achieve higher out of band blocking.
In general, the bracket can be customized according to customer requirements.
|
Filter model model |
Center wavelength νmax（THz）* |
Transmission peak Tmax** |
Relative bandwidth △ν/νmax*** |
Leakage of out of band frequency spectrum**** |
| Bandpass filter BP-0075 | 0.075 | 0.95 | 0.15 | ≤10-4 |
|
Bandpass filter BP-0094 |
0.094 | 0.95 | 0.15 |
≤10-4 |
|
Bandpass filter BP-0100 |
0.100 | 0.95 | 0.15 |
≤10-4 |
|
Bandpass filter BP-0140 |
0.140 | 0.94 | 0.15 |
≤10-4 |
|
Bandpass filter BP-0140B |
0.140 | 0.94 | 0.20 |
≤2*10-4 |
|
Bandpass filter BP-0150B |
0.150 | 0.94 | 0.20 |
≤2*10-4 |
| Bandpass filter BP-0190B | 0.190 | 0.94 | 0.20 |
≤2*10-4 |
|
Bandpass filter BP-0220 |
0.220 | 0.94 | 0.15 |
≤2*10-4 |
|
Bandpass filter BP-0240B |
0.220 | 0.94 | 0.20 |
≤2*10-4 |
|
Bandpass filter BP-0260B |
0.260 | 0.93 | 0.20 |
≤3*10-4 |
|
Bandpass filter BP-0300B |
0.300 | 0.92 | 0.20 |
≤3*10-4 |
|
Bandpass filter BP-0350 |
0.350 | 0.91 | 0.15 |
≤4*10-4 |
|
Bandpass filter BP-0350B |
0.350 | 0.92 | 0.20 |
≤4*10-4 |
|
Bandpass filter BP-0480B |
0.480 | 0.92 | 0.20 |
≤5*10-4 |
|
Bandpass filter BP-0500B |
0.500 | 0.92 | 0.20 |
≤5*10-4 |
|
Bandpass filter BP-0600B |
0.600 | 0.92 | 0.20 |
≤5*10-4 |
|
Bandpass filter BP-0650 |
0.650 | 0.90 | 0.15 |
≤5*10-4 |
|
Bandpass filter BP-0650B |
0.650 | 0.92 | 0.20 |
≤5*10-4 |
|
Bandpass filter BP-0800 |
0.800 | 0.90 | 0.15 |
≤6*10-4 |
|
Bandpass filter BP-0800B |
0.800 | 0.92 | 0.20 |
≤6*10-4 |
|
Band pass filter BP-1000 |
1.000 | 0.90 | 0.15 |
≤8*10-4 |
|
Bandpass filter BP-1000B |
1.000 | 0.91 | 0.20 |
≤10*10-4 |
|
Bandpass filter BP-1300 |
1.300 | 0.89 | 0.15 |
≤10*10-4 |
|
Bandpass filter BP-1300B |
1.300 | 0.91 | 0.20 |
≤30*10-4 |
|
Bandpass filter BP-1600 |
1.600 | 0.89 | 0.15 |
≤10*10-4 |
|
Bandpass filter BP-1600B |
1.600 | 0.91 | 0.20 |
≤30*10-4 |
|
Bandpass filter BP-1900 |
1.900 | 0.88 | 0.15 |
≤30*10-4 |
|
Bandpass filter BP-2400 |
2.400 | 0.88 | 0.15 |
≤40*10-4 |
|
Bandpass filter BP-3000 |
3.000 | 0.88 | 0.15 |
≤50*10-4 |
*Tolerance ± 1%** Tolerance ± 1%**** Frequency estimation 1.5-10*νmax* * * * Tolerance ± 1%;, The bandwidth is estimated under the standard of 0.5 * Tmax (FWHM).
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