Filtros de terahercios
Band pass BPF · Band stop BSF · Low pass LPF · High pass HPF
Filtros de paso banda, banda eliminada, paso bajo y paso alto para terahercios. Transmisión de pico > 70 %, típicamente > 90 %. Frecuencia central mantenida en < 5 %, personalizable a < 1 %, y ancho de banda < 30 %, personalizable a < 1 %. Tamaños de hasta 150 mm, desde 100 euros para un Tipo I de 10 mm.
Plazo de entrega bajo petición
Los precios en línea son solo orientativos. Los precios exactos pueden ser hasta un 20% superiores según el tipo de cambio vigente — solicite un presupuesto formal.
Four filter families, all metal mesh: **band pass (BPF)** for isolating one line, **band stop (BSF)** for rejecting one, **low pass (LPF)** for cutting everything above a frequency, and **high pass (HPF)** for cutting everything below it. Peak transmission is above 70 % and typically better than 90 %.
Centre frequency is held to within 5 % as standard and can be specified to better than 1 %; bandwidth is under 30 % as standard and can be narrowed below 1 %. Clear apertures run to 150 mm. Anything outside the standard range is made to order — tell us the frequency, the width and the aperture you need.
Every curve in the figures below is a measurement, not a model. The low-pass data was taken on a Perkin-Elmer FTIR spectrometer with each sample scan ratioed against its own open-beam reference; where a second trace appears above the filter curve, that is the reference.
- ▸ **Low pass, 3 THz type** — measured half-power cut-off **3.0 THz**, passband 87 %, blocking 1.4 % (−18.5 dB) median from 3.6 to 24 THz.
- ▸ **Low pass, 20 THz type** — measured half-power cut-off **21.5 THz**, passband 83 %, blocking 0.5 % median from 23 to 30 THz.
- ▸ Filter designations below are nominal. The measured cut-off of a mesh filter sits a little above the name it is sold under; both numbers are given so there is no ambiguity.
Elija su especificación: el número de modelo y el precio aparecen al instante.
| Transmisión de pico | > 70 % Típ. > 90 % |
|---|---|
| Tolerancia en la frecuencia central | < 5 % personalizable < 1 % |
| Ancho de banda | < 30 %. Personalizable < 1 % |
| Tamaño | up to 150 mm |
| Type I | Paso banda (BPF) | < 3 THz | 10 mm — 100 euros · 19 mm — 400 euros · > 19 mm — consultar |
| Type II | Paso banda (BPF) | 3 – 30 THz | Contacto |
| Type III | Band pass (BPF), high rejection | — | Contacto |
| Type IV | Paso bajo (LPF) | measured examples at 3, 9.5 and 20 THz | Contacto |
| — | Rechaza banda (BSF) | made to order | Contacto |
| — | Paso alto (HPF) | made to order | Contacto |
Los filtros
Paso bajo (LPF)
Paso banda (BPF)
Cámara Rigi
Cristales orgánicos (emisores)
Cristales detectores de THz
