OLD系列BK7平凹透鏡(未安裝)
平凹透鏡由N-BK7玻璃制成,具有負(fù)焦距,其一面為平面,另一面為凹面。主要功能是將平行光轉(zhuǎn)化為發(fā)散光,并反向聚焦于虛焦點(diǎn)處,常用于光束發(fā)散、伽利略型擴(kuò)束器或增大光學(xué)系統(tǒng)焦距。使用時(shí),為減少像差,凹面應(yīng)朝向入射光方向。其負(fù)球差特性可用于抵消系統(tǒng)中其他透鏡的像差。本產(chǎn)品提供未鍍膜版本及多種增透膜選項(xiàng):VIS鍍膜(400-700nm)平均反射率<0.5%,NIR鍍膜(700-1100nm)適用于近紅外應(yīng)用,SWIR鍍膜(1100-1700nm)專為短波紅外優(yōu)化。直徑規(guī)格覆蓋12.7mm-25.4mm,滿足不同光學(xué)系統(tǒng)需求。

| 型號(hào) | OLD-127-25 | OLD-127-30 | OLD-127-50 | OLD-254-50 | OLD-254-75 | OLD-254-100 |
| 工作波長 | 350 nm-2.0 μm | 350 nm-2.0 μm | 350 nm-2.0 μm | 350 nm-2.0 μm | 350 nm-2.0 μm | 350 nm-2.0 μm |
| 光學(xué)元件材質(zhì) | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| 直徑 | 12.7 mm | 12.7 mm | 12.7 mm | 25.4 mm | 25.4 mm | 25.4 mm |
| 直徑公差 | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm |
| 通光孔徑 | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA |
| 中心厚度 | 3.0 mm | 3.0 mm | 3.5 mm | 3.5 mm | 3.5 mm | 4.0 mm |
| 中心厚度公差 | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm |
| 邊緣厚度 | 4.6 mm | 4.3 mm | 4.4 mm | 6.8 mm | 5.6 mm | 5.6 mm |
| 曲率半徑 | -12.9 mm | -15.5 mm | -25.7 mm | -25.7 mm | -38.6 mm | -51.5 mm |
| 設(shè)計(jì)波長 | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm |
| 焦距 | -25.0 mm | -30.0 mm | -50.0 mm | -50.0 mm | -75.0 mm | -100.0 mm |
| 焦距公差 | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| 背焦距 | -26.9mm | -31.8 mm | -52.1 mm | -52.3 mm | -77.0 mm | -102.6 mm |
| 鍍膜 | 未鍍膜 | 未鍍膜 | 未鍍膜 | 未鍍膜 | 未鍍膜 | 未鍍膜 |
| 表面光潔度 | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) |
| 平面平整度 | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm |
| 曲面局部光圈 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| 曲面光圈 | 3 | 3 | 3 | 3 | 3 | 3 |
| 偏心度 | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin |
| 損傷閾值 | 4.5J/cm²@355nm | 4.5J/cm²@355nm | 4.5J/cm²@355nm | 4.5J/cm²@355nm | 4.5J/cm²@355nm | 4.5J/cm²@355nm |
| 0.21J/cm²@515nm | 0.21J/cm²@515nm | 0.21J/cm²@515nm | 0.21J/cm²@515nm | 0.21J/cm²@515nm | 0.21J/cm²@515nm | |
| 0.50J/cm²@1550nm | 0.50J/cm²@1550nm | 0.50J/cm²@1550nm | 0.50J/cm²@1550nm | 0.50J/cm²@1550nm | 0.50J/cm²@1550nm |
| 型號(hào) | OLD-127-25-A | OLD-127-30-A | OLD-127-50-A | OLD-254-50-A | OLD-254-75-A | OLD-254-100-A |
| 工作波長 | 400 nm-700 nm | 400 nm-700 nm | 400 nm-700 nm | 400 nm-700 nm | 400 nm-700 nm | 400 nm-700 nm |
| 光學(xué)元件材質(zhì) | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| 直徑 | 12.7 mm | 12.7 mm | 12.7 mm | 25.4 mm | 25.4 mm | 25.4 mm |
| 直徑公差 | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm |
| 通光孔徑 | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA |
| 中心厚度 | 3.0 mm | 3.0 mm | 3.5 mm | 3.5 mm | 3.5 mm | 4.0 mm |
| 中心厚度公差 | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm |
| 邊緣厚度 | 4.6 mm | 4.3 mm | 4.4 mm | 6.8 mm | 5.6 mm | 5.6 mm |
| 曲率半徑 | -12.9 mm | -15.5 mm | -25.7 mm | -25.7 mm | -38.6 mm | -51.5 mm |
| 設(shè)計(jì)波長 | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm |
| 焦距 | -25.0 mm | -30.0 mm | -50.0 mm | -50.0 mm | -75.0 mm | -100.0 mm |
| 焦距公差 | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| 背焦距 | -26.9mm | -31.8 mm | -52.1 mm | -52.3 mm | -77.0 mm | -102.6 mm |
| 鍍膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 |
| 增透膜 | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) |
| 表面光潔度 | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) |
| 平面平整度 | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm |
| 曲面局部光圈 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| 曲面光圈 | 3 | 3 | 3 | 3 | 3 | 3 |
| 偏心度 | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin |
| 損傷閾值 | 0.19J/cm2@515nm,290fs,100Hz,Ø10.72μm (100 Pulses) | 0.19J/cm2@515nm,290fs,100Hz,Ø10.72μm (100 Pulses) | 0.19J/cm2@515nm,290fs,100Hz,Ø10.72μm (100 Pulses) | 0.19J/cm2@515nm,290fs,100Hz,Ø10.72μm (100 Pulses) | 0.19J/cm2@515nm,290fs,100Hz,Ø10.72μm (100 Pulses) | 0.19J/cm2@515nm,290fs,100Hz,Ø10.72μm (100 Pulses) |
| 型號(hào) | OLD-127-25-B | OLD-127-30-B | OLD-127-50-B | OLD-254-50-B | OLD-254-75-B | OLD-254-100-B |
| 工作波長 | 700 nm-1100 nm | 700 nm-1100 nm | 700 nm-1100 nm | 700 nm-1100 nm | 700 nm-1100 nm | 700 nm-1100 nm |
| 光學(xué)元件材質(zhì) | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| 直徑 | 12.7 mm | 12.7 mm | 12.7 mm | 25.4 mm | 25.4 mm | 25.4 mm |
| 直徑公差 | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm |
| 通光孔徑 | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA |
| 中心厚度 | 3.0 mm | 3.0 mm | 3.5 mm | 3.5 mm | 3.5 mm | 4.0 mm |
| 中心厚度公差 | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm |
| 邊緣厚度 | 4.6 mm | 4.3 mm | 4.4 mm | 6.8 mm | 5.6 mm | 5.6 mm |
| 曲率半徑 | -12.9 mm | -15.5 mm | -25.7 mm | -25.7 mm | -38.6 mm | -51.5 mm |
| 設(shè)計(jì)波長 | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm |
| 焦距 | -25.0 mm | -30.0 mm | -50.0 mm | -50.0 mm | -75.0 mm | -100.0 mm |
| 焦距公差 | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| 背焦距 | -26.9mm | -31.8 mm | -52.1 mm | -52.3 mm | -77.0 mm | -102.6 mm |
| 鍍膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 |
| 增透膜 | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) |
| 表面光潔度 | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) |
| 平面平整度 | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm |
| 曲面局部光圈 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| 曲面光圈 | 3 | 3 | 3 | 3 | 3 | 3 |
| 偏心度 | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin |
| 損傷閾值 | 0.80J/cm2@980nm,190fs,100Hz,Ø12.684μm (100 Pulses) | 0.80J/cm2@980nm,190fs,100Hz,Ø12.684μm (100 Pulses) | 0.80J/cm2@980nm,190fs,100Hz,Ø12.684μm (100 Pulses) | 0.80J/cm2@980nm,190fs,100Hz,Ø12.684μm (100 Pulses) | 0.80J/cm2@980nm,190fs,100Hz,Ø12.684μm (100 Pulses) | 0.80J/cm2@980nm,190fs,100Hz,Ø12.684μm (100 Pulses) |
| 型號(hào) | OLD-127-25-C | OLD-127-30-C | OLD-127-50-C | OLD-254-50-C | OLD-254-75-C | OLD-254-100-C |
| 工作波長 | 1100nm-1700nm | 1100nm-1700nm | 1100nm-1700nm | 1100nm-1700nm | 1100nm-1700nm | 1100nm-1700nm |
| 光學(xué)元件材質(zhì) | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| 直徑 | 12.7 mm | 12.7 mm | 12.7 mm | 25.4 mm | 25.4 mm | 25.4 mm |
| 直徑公差 | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm | +0.00/-0.10 mm |
| 通光孔徑 | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA | 90% CA |
| 中心厚度 | 3.0 mm | 3.0 mm | 3.5 mm | 3.5 mm | 3.5 mm | 4.0 mm |
| 中心厚度公差 | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm |
| 邊緣厚度 | 4.6 mm | 4.3 mm | 4.4 mm | 6.8 mm | 5.6 mm | 5.6 mm |
| 曲率半徑 | -12.9 mm | -15.5 mm | -25.7 mm | -25.7 mm | -38.6 mm | -51.5 mm |
| 設(shè)計(jì)波長 | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm | 587.6 nm |
| 焦距 | -25.0 mm | -30.0 mm | -50.0 mm | -50.0 mm | -75.0 mm | -100.0 mm |
| 焦距公差 | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| 背焦距 | -26.9mm | -31.8 mm | -52.1 mm | -52.3 mm | -77.0 mm | -102.6 mm |
| 鍍膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 | 增透膜 |
| 增透膜 | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) | Ravg<0.5%a@工作波長(6°入射角,單面) |
| 表面光潔度 | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) | 60/40(部分型號(hào)優(yōu)于此光潔度) |
| 平面平整度 | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm | λ/2 @633 nm |
| 曲面局部光圈 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| 曲面光圈 | 3 | 3 | 3 | 3 | 3 | 3 |
| 偏心度 | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin | ≤3 arcmin |