二(er)向(xiang)色濾(lv)光片（分(fen)色(se)濾光(guang)片）用於需要隔離可見(jian)光譜(pu)的(de)某些(xie)區域的(de)各(ge)種(zhong)應用中。壹(yi)些(xie)較常(chang)見(jian)的(de)應(ying)用是用於彩色放(fang)大(da)器和復(fu)印機(ji)作(zuo)為(wei)光平(ping)衡濾光(guang)器(qi)。它們(men)在任(ren)何(he)可(ke)能(neng)需要將(jiang)入(ru)射能量分成兩個或(huo)多(duo)個光(guang)束(shu)的(de)應(ying)用中也(ye)非常有用。以下光譜(pu)曲(qu)線(xian)以垂直(zhi)入(ru)射方(fang)式顯(xian)示，但是對(dui)於許多應(ying)用，例如(ru)組(zu)合(he)顏色(se)，可(ke)能(neng)希(xi)望(wang)以(yi)45°入(ru)射角以反射模式使(shi)用它們(men)。
在這些(xie)過(guo)濾(lv)器(qi)中(zhong)使用的(de)所(suo)有(you)塗(tu)層材(cai)料(liao)都產(chan)生(sheng)堅硬，耐(nai)用的(de)介(jie)電(dian)薄膜，其(qi)沒(mei)有隨著(zhe)使用年限(xian)和使用而(er)降(jiang)低的(de)跡(ji)象。與使(shi)用時(shi)會(hui)褪色的(de)有(you)機(ji)染料(liao)或(huo)明(ming)膠類(lei)型不同(tong)，這些(xie)過(guo)濾(lv)器(qi)非常穩定，不會(hui)隨(sui)著時(shi)間(jian)的(de)推移而(er)損(sun)失(shi)任何(he)效(xiao)率。這些(xie)過(guo)濾(lv)器(qi)也(ye)可以(yi)成套(tao)使(shi)用。過(guo)濾(lv)器(qi)也(ye)可以(yi)安裝(zhuang)在螺(luo)紋(wen)環(huan)中(zhong)。
可根(gen)據要求(qiu)提供(gong)定(ding)制尺寸，基(ji)材(cai)和(he)光(guang)譜(pu)特性。
Dichroic Filters General Specifications
| Thickness: | 1.0mm ±0.25mm |
| Size Tolerance: | +0.0mm/-0.25mm |
| Min. Clear Aperture: | 95% of outside dimension |
| Substrate Material: | Soda lime glass |
| Flatness: | 3–5 waves per 25mm |
| Parallelism: | 3 arc minutes or better |
| Surface Quality: | 80/50 per MIL-C-48497A |
| Humidity and Abrasion: | Per MIL-C-48497A |
| Max. Operating Temp: | +200°C |
| Mechanical: | Unmounted |
| Blue Dichroic Reflective, 25.0 | |
| PART NO. | 475FD68-25 |
| Filter Type | Blue Dichroic Reflective |
| Transmission | >85% avg. from 525 to 800nm |
| Reflection | |
| Nominal 50% point(s) | - 475nm cut-on (nominal)- T(avg) < 10% from 380 to 450nm- T(avg) > 85% from 525 to 800nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 45.0° |
| Operating Temp. (°C.) | +200 max. |
| Blue Dichroic Reflective, 50.0 | |
| PART NO. | 475FD68-50 |
| Filter Type | Blue Dichroic Reflective |
| Transmission | >85% avg. from 525 to 800nm |
| Reflection | |
| Nominal 50% point(s) | - 475nm cut-on (nominal)- T(avg) < 10% from 380 to 450nm- T(avg) > 85% from 525 to 800nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 45.0° |
| Operating Temp. (°C.) | +200 max. |
| Blue Dichroic Reflective, 50.0 x 50.0 | |
| PART NO. | 475FD68-50S |
| Filter Type | Blue Dichroic Reflective |
| Transmission | >85% avg. from 525 to 800nm |
| Reflection | |
| Nominal 50% point(s) | - 475nm cut-on (nominal)- T(avg) < 10% from 380 to 450nm- T(avg) > 85% from 525 to 800nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 45.0° |
| Operating Temp. (°C.) | +200 max. |
| Blue Dichroic Additive, 25.0 | |
| PART NO. | 505FD64-25 |
| Filter Type | Blue Dichroic Additive |
| Transmission | >80% avg. from 390 to 480nm |
| Reflection | |
| Nominal 50% point(s) | 505nm cut-off (nominal)>80% (avg) trans. from 390nm to 480nm>99% (avg) Refl. from 540nm to 750nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Blue Dichroic Additive, 50.0 | |
| PART NO. | 505FD64-50 |
| Filter Type | Blue Dichroic Additive |
| Transmission | >80% avg. from 390 to 480nm |
| Reflection | |
| Nominal 50% point(s) | 505nm cut-off (nominal)>80% (avg) trans. from 390nm to 480nm>99% (avg) Refl. from 540nm to 750nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Blue Dichroic Additive, 50.0 x 50.0 | |
| PART NO. | 505FD64-50S |
| Filter Type | Blue Dichroic Additive |
| Transmission | >80% avg. from 390 to 480nm |
| Reflection | |
| Nominal 50% point(s) | 505nm cut-off (nominal)>80% (avg) trans. from 390nm to 480nm>99% (avg) Refl. from 540nm to 750nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Yellow Dichroic Subtractive, 25.0 | |
| PART NO. | 520FD22-25 |
| Filter Type | Yellow Dichroic Subtractive |
| Transmission | >85% avg. from 550 to 750nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 520nm nominalT(avg) < 1% from 410 - 475nmT(avg) > 85% from 550 - 750nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Yellow Dichroic Subtractive, 50.0 | |
| PART NO. | 520FD22-50 |
| Filter Type | Yellow Dichroic Subtractive |
| Transmission | >85% avg. from 550 to 750nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 520nm nominalT(avg) < 1% from 410 - 475nmT(avg) > 85% from 550 - 750nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Yellow Dichroic Subtractive, 50.0 x 50.0 | |
| PART NO. | 520FD22-50S |
| Filter Type | Yellow Dichroic Subtractive |
| Transmission | >85% avg. from 550 to 750nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 520nm nominalT(avg) < 1% from 410 - 475nmT(avg) > 85% from 550 - 750nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Green Dichroic Additive, 25.0 | |
| PART NO. | 540FD66-25 |
| Filter Type | Green Dichroic Additive |
| Transmission | >85% min. at 540nm |
| Reflection | |
| Nominal 50% point(s) | 505nm & 575nm (nominal)T(avg) < 1% from 360 - 460nmT(abs) > 85% @ 540nmT(avg) < 1% from 600 - 730nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Green Dichroic Additive, 50.0 | |
| PART NO. | 540FD66-50 |
| Filter Type | Green Dichroic Additive |
| Transmission | >85% min. at 540nm |
| Reflection | |
| Nominal 50% point(s) | 505nm & 575nm (nominal)T(avg) < 1% from 360 - 460nmT(abs) > 85% @ 540nmT(avg) < 1% from 600 - 730nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Green Dichroic Additive, 50.0 x 50.0 | |
| PART NO. | 540FD66-50S |
| Filter Type | Green Dichroic Additive |
| Transmission | >85% min. at 540nm |
| Reflection | |
| Nominal 50% point(s) | 505nm & 575nm (nominal)T(avg) < 1% from 360 - 460nmT(abs) > 85% @ 540nmT(avg) < 1% from 600 - 730nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Magenta Dichroic Subtractive, 25.0 | |
| PART NO. | 550FD26-25 |
| Filter Type | Magenta Dichroic Subtractive |
| Transmission | >80% avg. from 380 to 475nm & 650 to 750nm |
| Reflection | |
| Nominal 50% point(s) | 495nm and 605nm (nominal)T(avg) > 80% from 380 - 475nmT(avg) < 1% from 535 - 565nmT(avg) > 80% from 650 - 750nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Magenta Dichroic Subtractive, 50.0 | |
| PART NO. | 550FD26-50 |
| Filter Type | Magenta Dichroic Subtractive |
| Transmission | >80% avg. from 380 to 475nm & 650 to 750nm |
| Reflection | |
| Nominal 50% point(s) | 495nm and 605nm (nominal)T(avg) > 80% from 380 - 475nmT(avg) < 1% from 535 - 565nmT(avg) > 80% from 650 - 750nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Magenta Dichroic Subtractive, 50.0 x 50.0 | |
| PART NO. | 550FD26-50S |
| Filter Type | Magenta Dichroic Subtractive |
| Transmission | >80% avg. from 380 to 475nm & 650 to 750nm |
| Reflection | |
| Nominal 50% point(s) | 495nm and 605nm (nominal)T(avg) > 80% from 380 - 475nmT(avg) < 1% from 535 - 565nmT(avg) > 80% from 650 - 750nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Red Dichroic Reflective, 25.0 | |
| PART NO. | 580FD70-25 |
| Filter Type | Red Dichroic Reflective |
| Transmission | >85% avg. from 400 to 550nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 580nm nominalT(avg) > 85% from 400 - 550nmT(avg) < 10% from 610 - 725nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 45.0° |
| Operating Temp. (°C.) | +200 max. |
| Red Dichroic Reflective, 50.0 | |
| PART NO. | 580FD70-50 |
| Filter Type | Red Dichroic Reflective |
| Transmission | >85% avg. from 400 to 550nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 580nm nominalT(avg) > 85% from 400 - 550nmT(avg) < 10% from 610 - 725nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 45.0° |
| Operating Temp. (°C.) | +200 max. |
| Red Dichroic Reflective, 50.0 x 50.0 | |
| PART NO. | 580FD70-50S |
| Filter Type | Red Dichroic Reflective |
| Transmission | >85% avg. from 400 to 550nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 580nm nominalT(avg) > 85% from 400 - 550nmT(avg) < 10% from 610 - 725nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 45.0° |
| Operating Temp. (°C.) | +200 max. |
| Red Dichroic Additive, 25.0 | |
| PART NO. | 585FD62-25 |
| Filter Type | Red Dichroic Additive |
| Transmission | >80% avg. from 610 to 730nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt: 585nm nominalT(avg) < 1% from 370 - 550nmT(avg) > 80% from 610 - 730nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Red Dichroic Additive, 50.0 | |
| PART NO. | 585FD62-50 |
| Filter Type | Red Dichroic Additive |
| Transmission | >80% avg. from 610 to 730nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt: 585nm nominalT(avg) < 1% from 370 - 550nmT(avg) > 80% from 610 - 730nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Red Dichroic Additive, 50.0 x 50.0 | |
| PART NO. | 585FD62-50S |
| Filter Type | Red Dichroic Additive |
| Transmission | >80% avg. from 610 to 730nm |
| Reflection | >99% avg. from 370 to 550nm |
| Nominal 50% point(s) | 50% pt: 585nm nominalT(avg) < 1% from 370 - 550nmT(avg) > 80% from 610 - 730nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Cyan Dichroic Subtractive, 25.0 | |
| PART NO. | 590FD24-25 |
| Filter Type | Cyan Dichroic Subtractive |
| Transmission | >80% avg. from 400 to 550nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 590nm nominalT(avg) > 80% from 400 - 550nmT(avg) < 1% from 640 - 740nm |
| Size | 25.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Cyan Dichroic Subtractive, 50.0 | |
| PART NO. | 590FD24-50 |
| Filter Type | Cyan Dichroic Subtractive |
| Transmission | >80% avg. from 400 to 550nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 590nm nominalT(avg) > 80% from 400 - 550nmT(avg) < 1% from 640 - 740nm |
| Size | 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
| Cyan Dichroic Subtractive, 50.0 x 50.0 | |
| PART NO. | 590FD24-50S |
| Filter Type | Cyan Dichroic Subtractive |
| Transmission | >80% avg. from 400 to 550nm |
| Reflection | |
| Nominal 50% point(s) | 50% pt.: 590nm nominalT(avg) > 80% from 400 - 550nmT(avg) < 1% from 640 - 740nm |
| Size | 50.0 x 50.0 +0/-0.25mm |
| Thickness | 1.0 +0.25/-0.25 mm |
| Angle of Incidence | 0° |
| Operating Temp. (°C.) | +200 max. |
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