Tydex公司的每個THz低通濾波片上都附帶一個外圈封裝, 截止波長在13-94µm之間，通光波段透過率高達81-94%，其通光孔徑/外徑的尺寸分為：24/31mm, 35/44mm，47/60mm三種尺寸現(xiàn)貨供應，也可根據(jù)要求定制設計尺寸。太赫茲低通濾波片（THz Low Pass Filters）是一種常見的太赫茲光學元件，其作用是傳輸并阻斷短波長的太赫茲波，主要原理是基于色散，反射，散射，漫射，衍射和干涉理論?？捎糜?span style="margin:0px;padding:0px;">THz光譜學，THz測試設備，太赫茲成像等應用領域。
太赫茲低通濾波片的應用:
天文，太空和航天領域
THz光譜學
電光研究領域
成像
材料研究
THz測試設備
傳感器和探測器
THz低通濾波片的特點:
在阻帶（通光范圍外）的透過率低（<0.1％）
在通光范圍內(nèi)透過率高
工作波長從IR到mm波
帶外圈封裝
太赫茲低通濾光片的標準規(guī)格
部分 Tydex 低通濾波片，命名規(guī)則為：LPF+頻率+孔徑
| 型號 | 截止波長，λc | 通光波段透過率 | 損壞閾值, 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 |
太赫茲低通濾波片的標準型號
形狀：圓形濾光片
通光孔徑/外徑：24/31mm, 35/44mm，47/60mm三種尺寸現(xiàn)貨供應，也可根據(jù)要求定制設計尺寸。
| 描述 | 外徑尺寸,mm | 鏡片厚度, mm | 通光孔徑,mm | 庫存數(shù)量 | 型號 |
| 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 |
