OLB-I1-N系列 双凹透镜【无镀膜款】
Price range: $80.00 through $148.00
• 透镜不能单独聚集光,也不能成实像。请和凸透镜组合在一起使用； • 两面都为凸面,在狭小空间里有效地折射光线,可以聚集很多光线的透镜。可以扩大照明光的照射面积； • 使用高能量的脉冲激光时，由于凹面的反射光，在光路上聚积成焦点光斑后可能会出现闪光。用于脉冲激光时,请使用平凹透镜；
Description
球面透镜系列包括平凸透镜、平凹透镜、双凸透镜、双凹透镜4种球面透镜类型可选；
双凹透镜形状简单，形状简单，可以扩散准直激光,凹透镜不能单独聚集光,也不能成实像;和凸透镜组合在一起，可以用于扩大光束直径，扩大照明光的照明面积。
| 无镀膜款 | 镀膜款 | |
| 材质 | BK7 | |
| 直径 | Ø1英寸(25.4mm) | |
| 折射率 | ne=1.519 | |
| 波长 | 200～2000nm | 400-700nm |
| 透过率 | 80%-85% | 90% |
| 有效口径 | 90% | 80% |
| 表面质量 | 40-60 | 20-40 |
| 型号 | 参数 | ||||
| OLB-I1-24.7N(M) | f2-24.7; te8.6; tc2.0; fb-25.4; ‘＜1 | |||||
| OLB-I1-49.7N(M) | f-49.7; te5.2; tc2.0; fb-50.4; ‘＜1 | |||||
| OLB-I1-69.7N(M) | f-69.7; te4.2; tc2.0; fb-70.4; ‘＜1 | |||||
| OLB-I1-99.7N(M) | f-99.7; te3.6; tc2.0; fb-100.4; ‘＜1 | |||||
| OLB-I1-149.7N(M) | f-149.7; te3.0; tc2.0; fb-150.4; ‘＜1 | |||||
| OLB-I1-199.7N(M) | f-199.7; te2.8; tc2.0; fb-200.4; ‘＜1 | |||||
| *外径:OD；焦距:f；边缘厚度:te；中心厚度:tc；后焦距:fb；偏心:’；单位:mm； | |||||
Additional information
| 型号 | OLB-I1-24.7N, OLB-I1-49.7N, OLB-I1-69.7N, OLB-I1-99.7N, OLB-I1-149.7N, OLB-I1-199.7N, OLB-I1-24.7NM, OLB-I1-49.7NM, OLB-I1-69.7NM, OLB-I1-99.7NM, OLB-I1-99.7NM, OLB-I1-149.7NM, OLB-I1-199.7NM |
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