Tydex公司的每个THz低通滤波片上都附带一个外圈封装, 截止波长在13-94µm之间，通光波段透过率高达81-94%，其通光孔径/外径的尺寸分为：24/31mm, 35/44mm，47/60mm三种尺寸现货供应，也可根据要求定制设计尺寸。太赫兹低通滤波片（THz Low Pass Filters）是一种常见的太赫兹光学元件，其作用是传输并阻断短波长的太赫兹波，主要原理是基于色散，反射，散射，漫射，衍射和干涉理论。可用于THz光谱学，THz测试设备，太赫兹成像等应用领域。
太赫兹低通滤波片的应用:
天文，太空和航天领域
THz光谱学
电光研究领域
成像
材料研究
THz测试设备
传感器和探测器
THz低通滤波片的特点:
在阻带（通光范围外）的透过率低（<0.1％）
在通光范围内透过率高
工作波长从IR到mm波
带外圈封装
太赫兹低通滤光片的标准规格
部分 Tydex 低通滤波片，命名规则为：LPF+频率+孔径
型号 | 截止波长，λc | 通光波段大透过率 | 损坏阈值, W/cm2,CW |
LPF23.4-24 | 13µm | 92% | 7 |
LPF23.4-35 | |||
LPF23.4-47 | |||
LPF23.3-24 | 13µm | 94% | 7 |
LPF23.3-35 | |||
LPF23.3-47 | |||
LPF23.1-24 | 13µm | 91% | 7 |
LPF23.1-35 | |||
LPF23.1-47 | |||
LPF14.3-25 | 21µm | 95% | 7 |
LPF14.3-35 | |||
LPF14.3-47 | |||
LPF10.9-24 | 27.5µm | 73% | 8 |
LPF10.9-35 | |||
LPF10.9-47 | |||
LPF8.8-24 | 34µm | 80% | 8 |
LPF8.8-35 | |||
LPF8.8-47 | |||
LPF5.5-24 | 55µm | 83% | 8 |
LPF5.5-35 | |||
LPF5.5-47 | |||
LPF4.3-24 | 70µm | 82% | 8 |
LPF4.3-35 | |||
LPF4.3-47 | |||
LPF4.0-24 | 75µm | 82% | 8 |
LPF4.0-35 | |||
LPF4.0-47 | |||
LPF3.2-24 | 94µm | 81% | 8 |
LPF3.2-35 | |||
LPF3.2-47 |
太赫兹低通滤波片的标准型号
形状：圆形滤光片
通光孔径/外径：24/31mm, 35/44mm，47/60mm三种尺寸现货供应，也可根据要求定制设计尺寸。
描述 | 外径尺寸,mm | 镜片厚度, mm | 通光孔径,mm | 库存数量 | 型号 |
Low Pass Filter 23.4 THz (ring holder) | 31 | 8.5 | 24 | 0 | LPF23.4-24 |
Low Pass Filter 23.4 THz (ring holder) | 44 | 8.5 | 35 | 2 | LPF23.4-35 |
Low Pass Filter 23.4 THz (ring holder) | 60 | 9.5 | 47 | 4 | LPF23.4-47 |
Low Pass Filter 23.3 THz (ring holder) | 31 | 8.5 | 24 | 2 | LPF23.3-24 |
Low Pass Filter 23.3 THz (ring holder) | 44 | 8.5 | 35 | 5 | LPF23.3-35 |
Low Pass Filter 23.3 THz (ring holder) | 60 | 9.5 | 47 | 1 | LPF23.3-47 |
Low Pass Filter 23.1 THz (ring holder) | 31 | 8 | 23.4 | 0 | LPF23.1-23.4 |
Low Pass Filter 23.1 THz (ring holder) | 31 | 8.5 | 24 | 3 | LPF23.1-24 |
Low Pass Filter 23.1 THz (ring holder) | 44 | 8.5 | 35 | 6 | LPF23.1-35 |
Low Pass Filter 23.1 THz (ring holder) | 60 | 9.5 | 47 | 3 | LPF23.1-47 |
Low Pass Filter 14.3 THz (ring holder) | 31 | 8.5 | 24 | 2 | LPF14.3-24 |
Low Pass Filter 14.3 THz (ring holder) | 44 | 8.5 | 35 | 0 | LPF14.3-35 |
Low Pass Filter 14.3 THz (ring holder) | 60 | 9.5 | 47 | 0 | LPF14.3-47 |
Low Pass Filter 10.9 THz (ring holder) | 31 | 8.5 | 24 | 3 | LPF10.9-24 |
Low Pass Filter 10.9 THz (ring holder) | 44 | 8.5 | 35 | 3 | LPF10.9-35 |
Low Pass Filter 10.9 THz (ring holder) | 60 | 9.5 | 47 | 2 | LPF10.9-47 |
Low Pass Filter 8.8 THz (ring holder) | 31 | 8.5 | 24 | 0 | LPF8.8-24 |
Low Pass Filter 8.8 THz (ring holder) | 44 | 8.5 | 35 | 4 | LPF8.8-35 |
Low Pass Filter 8.8 THz (ring holder) | 60 | 9.5 | 47 | 1 | LPF8.8-47 |
Low Pass Filter 5.5 THz (ring holder) | 31 | 8.5 | 24 | 2 | LPF5.5-24 |
Low Pass Filter 5.5 THz (ring holder) | 44 | 8.5 | 35 | 5 | LPF5.5-35 |
Low Pass Filter 5.5 THz (ring holder) | 60 | 9.5 | 47 | 0 | LPF5.5-47 |
Low Pass Filter 4.3 THz (ring holder) | 31 | 8.5 | 24 | 5 | LPF4.3-24 |
Low Pass Filter 4.3 THz (ring holder) | 44 | 8.5 | 35 | 4 | LPF4.3-35 |
Low Pass Filter 4.3 THz (ring holder) | 60 | 9.5 | 47 | 5 | LPF4.3-47 |
Low Pass Filter 4.0 THz (ring holder) | 31 | 8.5 | 24 | 4 | LPF4.0-24 |
Low Pass Filter 4.0 THz (ring holder) | 44 | 8.5 | 35 | 2 | LPF4.0-35 |
Low Pass Filter 4.0 THz (ring holder) | 60 | 9.5 | 47 | 5 | LPF4.0-47 |
Low Pass Filter 3.2 THz (ring holder) | 31 | 8.5 | 24 | 3 | LPF3.2-24 |
Low Pass Filter 3.2 THz (ring holder) | 44 | 8.5 | 35 | 3 | LPF3.2-35 |
Low Pass Filter 3.2 THz (ring holder) | 60 | 9.5 | 47 | 0 | LPF3.2-47 |
