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  3. Optical Filter Glass
  4. Matt Filter Plates
  5. Longpass
  6. RG850

RG850

A longpass filter with low transmission in short wavelengths range and high transmission in long wavelength ranges. They seperate visible from infrared light.

Find more information in the tabs below or on our website.

Use our Interactive Filter Diagram to compare this filter or download our Filter Calculation Tool.

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*product image is exemplary.

RG850
承诺光谱值
λs (τi = 0.00001) [nm] 700
λc (τi = 0.5) [nm] 850 ± 9
λp1 (τi = 0.92) [nm] 950
λp2 (τi = 0.97) [nm] 1200
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文章详情
SCHOTT
物品编号
玻璃类型
长度
宽度
厚度
重量
 
技术规格
内部透过率（图表）

仅允许1到30之间的值，小数点保留一位。

SCHOTT
RG850 - RG850
厚度
3.0
反射系数
0.9087
内部透过率（表格）
λ [nm]
200 < 10⁻³
210 < 10⁻³
220 < 10⁻³
230 < 10⁻³
240 < 10⁻³
250 < 10⁻³
260 < 10⁻³
270 < 10⁻³
280 < 10⁻³
290 < 10⁻³
300 < 10⁻³
310 < 10⁻³
320 < 10⁻³
330 < 10⁻³
340 < 10⁻³
350 < 10⁻³
360 < 10⁻³
370 < 10⁻³
380 < 10⁻³
390 < 10⁻³
400 < 10⁻³
410 < 10⁻³
420 < 10⁻³
430 < 10⁻³
440 < 10⁻³
450 < 10⁻³
460 < 10⁻³
470 < 10⁻³
480 < 10⁻³
490 < 10⁻³
λ [nm]
500 < 10⁻³
510 < 10⁻³
520 < 10⁻³
530 < 10⁻³
540 < 10⁻³
550 < 10⁻³
560 < 10⁻³
570 < 10⁻³
580 < 10⁻³
590 < 10⁻³
600 < 10⁻³
610 < 10⁻³
620 < 10⁻³
630 < 10⁻³
640 < 10⁻³
650 < 10⁻³
660 < 10⁻³
670 < 10⁻³
680 < 10⁻³
690 < 10⁻³
700 < 10⁻³
710 < 10⁻³
720 < 10⁻³
730 < 10⁻³
740 < 10⁻³
750 < 10⁻³
760 < 10⁻³
770 < 10⁻³
780 < 10⁻³
790 < 10⁻³
λ [nm]
800 0.001
810 0.005
820 0.024
830 0.091
840 0.261
850 0.500
860 0.704
870 0.838
880 0.905
890 0.940
900 0.957
910 0.965
920 0.971
930 0.974
940 0.977
950 0.978
960 0.979
970 0.980
980 0.981
990 0.982
1,000 0.983
1,010 0.984
1,020 0.985
1,030 0.986
1,040 0.987
1,050 0.987
1,060 0.988
1,070 0.989
1,080 0.989
1,090 0.990
λ [nm]
1,100 0.990
1,110 0.991
1,120 0.991
1,130 0.992
1,140 0.992
1,150 0.993
1,160 0.993
1,170 0.994
1,180 0.994
1,190 0.994
1,200 0.995
1,250 0.996
1,300 0.997
1,350 0.998
1,400 0.997
1,450 0.998
1,500 1.000
1,550 1.000
1,600 1.000
1,650 0.999
1,700 0.997
1,750 0.995
1,800 0.993
1,850 0.992
1,900 0.991
1,950 0.989
2,000 0.987
2,050 0.987
2,100 0.984
2,150 0.978
λ [nm]
2,200 0.966
2,250 0.957
2,300 0.958
2,350 0.956
2,400 0.947
2,450 0.941
2,500 0.937
2,550 0.934
2,600 0.927
2,650 0.911
2,700 0.865
2,750 0.510
2,800 0.224
2,850 0.169
2,900 0.142
2,950 0.121
3,000 0.104
3,050 0.093
3,100 0.083
3,150 0.077
3,200 0.074
3,250 0.072
3,300 0.068
3,350 0.064
3,400 0.059
3,450 0.054
3,500 0.049
3,550 0.045
3,600 0.045
3,650 0.045
λ [nm]
3,700 0.042
3,750 0.037
3,800 0.035
3,850 0.042
3,900 0.055
3,950 0.072
4,000 0.071
4,050 0.063
4,100 0.057
4,150 0.052
4,200 0.049
4,250 0.052
4,300 0.051
4,350 0.044
4,400 0.033
4,450 0.023
4,500 0.013
4,550 0.007
4,600 0.003
4,650 0.001
4,700 < 10⁻³
4,750 < 10⁻³
4,800 < 10⁻³
4,850 < 10⁻³
4,900 < 10⁻³
4,950 < 10⁻³
5,000 < 10⁻³
5,050 < 10⁻³
5,100 < 10⁻³
5,150 < 10⁻³
光学值
反射系数
Pd 0.909
参考厚度
d [mm] 3
承诺光谱值
λs (τi = 0.00001) [nm] 700
λc (τi = 0.5) [nm] 850 ± 9
λp1 (τi = 0.92) [nm] 950
λp2 (τi = 0.97) [nm] 1200
折射率 n
ns (852.1 nm) = 1.550
nd (587.6 nm) = 1.560
色度评估
光源 A(Planck T = 2347K)
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
光源 Planck T = 3200 K
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
光源 D65 (TC = 6504 K)
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
物理值
密度
p [g/cm3] 2.93
气泡含量
气泡等级 3
玻转温度
Tg [°C] 554
温度系数
Tk [nm/°C] 0.24
耐化学性
耐污性 5
耐酸性 53.4
耐碱性 1.3
热膨胀
α-30°C/+70°C [10-6/K] 9.41
α20°C/300°C [10-6/K] 10.41
α20°C/200°C [10-6/K]
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