Title

承诺光谱值τi (500nm)≥0.96τi (600nm)≥0.48τi (700nm)<0.02λ (τi, max) [nm]500± 5

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	0.001
310	0.070
320	0.326
330	0.584
340	0.732
350	0.805
360	0.847
370	0.872
380	0.894
390	0.910
400	0.924
410	0.935
420	0.945
430	0.954
440	0.961
450	0.967
460	0.972
470	0.976
480	0.980
490	0.981

λ [nm]
500	0.981
510	0.979
520	0.971
530	0.958
540	0.938
550	0.906
560	0.863
570	0.803
580	0.728
590	0.638
600	0.539
610	0.438
620	0.340
630	0.253
640	0.181
650	0.123
660	0.080
670	0.050
680	0.030
690	0.017
700	0.010
710	0.005
720	0.003
730	0.002
740	< 10⁻³
750	< 10⁻³
760	< 10⁻³
770	< 10⁻³
780	< 10⁻³
790	< 10⁻³

λ [nm]
800	< 10⁻³
810	< 10⁻³
820	< 10⁻³
830	< 10⁻³
840	< 10⁻³
850	< 10⁻³
860	< 10⁻³
870	< 10⁻³
880	< 10⁻³
890	< 10⁻³
900	< 10⁻³
910	< 10⁻³
920	< 10⁻³
930	< 10⁻³
940	< 10⁻³
950	< 10⁻³
960	< 10⁻³
970	< 10⁻³
980	< 10⁻³
990	< 10⁻³
1,000	< 10⁻³
1,010	< 10⁻³
1,020	< 10⁻³
1,030	< 10⁻³
1,040	< 10⁻³
1,050	< 10⁻³
1,060	< 10⁻³
1,070	< 10⁻³
1,080	< 10⁻³
1,090	< 10⁻³

λ [nm]
1,100	< 10⁻³
1,110	< 10⁻³
1,120	< 10⁻³
1,130	< 10⁻³
1,140	< 10⁻³
1,150	0.001
1,160	0.001
1,170	0.002
1,180	0.002
1,190	0.002
1,200	0.003
1,250	0.007
1,300	0.017
1,350	0.035
1,400	0.063
1,450	0.106
1,500	0.163
1,550	0.233
1,600	0.311
1,650	0.391
1,700	0.467
1,750	0.538
1,800	0.601
1,850	0.656
1,900	0.702
1,950	0.740
2,000	0.770
2,050	0.793
2,100	0.811
2,150	0.825

λ [nm]
2,200	0.821
2,250	0.818
2,300	0.819
2,350	0.823
2,400	0.826
2,450	0.823
2,500	0.809
2,550	0.783
2,600	0.757
2,650	0.735
2,700	0.697
2,750	0.622
2,800	0.307
2,850	0.143
2,900	0.082
2,950	0.053
3,000	0.037
3,050	0.027
3,100	0.019
3,150	0.014
3,200	0.011
3,250	0.009
3,300	0.007
3,350	0.007
3,400	0.006
3,450	0.007
3,500	0.007
3,550	0.008
3,600	0.009
3,650	0.010

λ [nm]
3,700	0.011
3,750	0.010
3,800	0.009
3,850	0.008
3,900	0.006
3,950	0.004
4,000	0.003
4,050	0.002
4,100	0.001
4,150	< 10⁻³
4,200	< 10⁻³
4,250	< 10⁻³
4,300	< 10⁻³
4,350	0.001
4,400	0.001
4,450	0.002
4,500	0.001
4,550	0.001
4,600	0.001
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	0.913

参考厚度
d [mm]	1

承诺光谱值
τi (500nm)	≥0.96
τi (600nm)	≥0.48
τi (700nm)	<0.02
λ (τi, max) [nm]	500± 5

折射率 n
ne (546.1 nm) = 1.542
nd (587.6 nm) = 1.540

色度评估

光源	A(Planck T = 2347K)
d [mm]	1	2	3
x	0.356	0.301	0.265
y	0.433	0.440	0.440
Y	65	52	44
λd [nm]	500	499	498
Pe	0.21	0.34	0.42

光源	Planck T = 3200 K
d [mm]	1	2	3
x	0.335	0.284	0.250
y	0.417	0.419	0.415
Y	66	54	46
λd [nm]	498	497	496
Pe	0.21	0.34	0.43

光源	D65 (TC = 6504 K)
d [mm]	1	2	3
x	0.251	0.218	0.198
y	0.321	0.311	0.302
Y	72	62	54
λd [nm]	490	489	489
Pe	0.23	0.36	0.44

物理值

密度
p [g/cm3]	2.66

气泡含量
气泡等级

玻转温度
Tg [°C]	391

温度系数
Tk [nm/°C]

耐化学性
耐污性	0
耐酸性	3.0
耐碱性	3.0

热膨胀
α-30°C/+70°C [10-6/K]
α20°C/300°C [10-6/K]	9.5
α20°C/200°C [10-6/K]