Long Pass Filters
Model：LP系列
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Overview
The long pass edge filter is made of hard dielectric filter coating, which can produce a very steep transition between pass band and stop band, and its performance is much better than that of absorption colored glass filter.Description
1. Overview
长通滤光片 provided by Sunpump, designed for spectral detection applications. Customization is available upon request.
3. Typical Applications
spectral detection; LiDAR; fluorescence imaging; biomedical optics.
Specifications
| thickness | 2.0mm、3.0mm |
Technical Data
长通（吸收式）滤光片规格表
Techspec® 吸收式长通滤光片（LP300–LP900）：截止波长、透射范围与峰值透过率（数据来源：Techspec 彩页）
| 型号 | 直径(mm) | 厚度(mm) | 截止波长 | 透射范围(80%) | 峰值透过率 |
|---|---|---|---|---|---|
| LP300 | 25.4 | 2.0 | 180–200nm | 280–2500nm | 85% |
| LP350 | 25.4 | 2.0 | 180–250nm | 330–2500nm | 92% |
| LP400 | 25.4 | 2.0 | 180–320nm | 380–2500nm | 92% |
| LP500 | 25.4 | 2.0 | 180–430nm | 470–2500nm | 90% |
| LP550 | 25.4 | 2.0 | 180–480nm | 525–2500nm | 90% |
| LP600 | 25.4 | 2.0 | 180–530nm | 580–2500nm | 90% |
| LP650 | 25.4 | 2.0 | 180–580nm | 625–2500nm | 90% |
| LP700 | 25.4 | 2.0 | 180–600nm | 650–2500nm | 90% |
| LP750 | 25.4 | 2.0 | 180–640nm | 700–2500nm | 90% |
| LP800 | 25.4 | 2.0 | 180–740nm | 775–2500nm | 90% |
| LP850 | 25.4 | 2.0 | 180–780nm | 825–2500nm | 90% |
| LP900 | 25.4 | 2.0 | 180–820nm | 850–2500nm | 90% |
工艺规格
基底材料：有色玻璃（Color Glass）；直径公差 +0/-0.1mm；厚度公差 0.1mm；表面质量 40-20；平行度 <3 弧分