LPF系列长波通滤光片 Longpass Filters
特点：
■宽光谱截止范围，多规格可选，接受特殊规格定制。
■高通过率，最高可达95%；高截止深度，最高达OD4。
■广泛用于光学实验、光谱测量、工业测量、医疗分析，生物化学检测，科学仪器等领域。
■产地：中国
长波通滤光片Longpass Filters指在特定的波长范围内，长波方向是透过的，而短波方向是截止的，起到隔离短波，通过长波的作用.
基本参数
| 厚度 | 0.55mm-6mm | 棱边倒角 | ＜0.2mm |
| 厚度偏差 | +0/-0.1mm | 基底材料 | Fused silica；K7；K9；B270； |
| 尺寸偏差 | +0/-0.2mm（ΦD；LxW） | Float glass，etc. | |
| 通光孔径 | ＞90% | 使用温度 | -40°C /+180°C（低应力状态） |
| 光洁度 | 80-50 MIL-C-48497A | 储存环境 | 恒温~23℃；恒湿＜40% |
产品选型（点击型号↓，查看参考光谱曲线）
| 型号 | 透过波段 | 透过率 | 短波截止波段 | 截止深度 | Φ12.7mm | Φ25.4mm | Φ50mm | 50x50mm |
| LPF375A | 385nm-1200nm | ＞90% | 325nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF390B | 400nm-1100nm | >80% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF400A | 415nm-1150nm | ＞90% | 200nm | OD4-OD5 | CALL | CALL | CALL | CALL |
| LPF400B | 420nm-1100nm | >85% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF420A | 430nm-1120nm | ＞90% | 200nm | OD4-OD5 | CALL | CALL | CALL | CALL |
| LPF425A | 427nm-1160nm | ＞90% | 200nm | OD4-OD5 | CALL | CALL | CALL | CALL |
| LPF425B | 445nm-1200nm | >85% | 200nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF450A | 470nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF455B | 460nm-1100nm | ＞90% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF470B | 480nm-1100nm | ＞90% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF475A | 495nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF500A | 520nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF525A | 545nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF550A | 565nm-1250nm | ＞90% | 200nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF550B | 560nm-1100nm | ＞90% | 300nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF575A | 580nm-1200nm | ＞90% | 200nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF600A | 625nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF610B | 625nm-1200nm | ＞90% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF625A | 630nm-1100nm | ＞90% | 400nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF625B | 635nm-1100nm | ＞90% | 400nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF650A | 675nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF675A | 700nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF675B | 680nm-1100nm | ＞90% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF675C | 685nm-1100nm | >85% | 400nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF700A | 725nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF725A | 730nm-1130nm | ＞90% | 200nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF750A | 775nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF775A | 800nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF780A | 790nm-1200nm | ＞95% | 200nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF800A | 805nm-1100nm | ＞90% | 400nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF800B | 825nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF800C | 820nm-1100nm | >85% | 400nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF815A | 825nm-1200nm | ＞90% | 400nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF825A | 850nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF825B | 840nm-1100nm | ＞90% | 300nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF850A | 875nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF875A | 890nm-1180nm | ＞90% | 200nm | OD4-OD5 | CALL | CALL | CALL | CALL |
| LPF875B | 900nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF900A | 910nm-1200nm | ＞90% | 400nm | OD3-OD4 | CALL | CALL | CALL | CALL |
| LPF900B | 930nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF925A | 955nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF950A | 980nm-1200nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF975A | 1010nm-1800nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF1000A | 1040nm-1800nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF1025A | 1070nm-1800nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF1050A | 1100nm-1800nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF1075A | 1130nm-1800nm | >85% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
| LPF1100A | 1140nm-1500nm | >90% | 200nm | OD2-OD3 | CALL | CALL | CALL | CALL |
参数如有变动，以实际库存产品为准；更多技术信息咨询、单片尺寸定制、批量定制请致电瑞研科技。