Title

承诺光谱值
τi (365nm)	≥0.93
τi (500nm)	≥0.94
τi (600nm)	≥0.92
τi (700nm)	≤0.83
τi (800nm)	≤0.55
τi (900nm)	≤0.28
τi (1060nm)	≤0.12
τi (2200nm)	≤0.2

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	0.001
270	0.020
280	0.088
290	0.245
300	0.444
310	0.637
320	0.769
330	0.852
340	0.902
350	0.931
360	0.949
370	0.959
380	0.965
390	0.961
400	0.955
410	0.948
420	0.942
430	0.939
440	0.938
450	0.939
460	0.942
470	0.946
480	0.951
490	0.954

λ [nm]
500	0.957
510	0.956
520	0.954
530	0.952
540	0.953
550	0.955
560	0.954
570	0.952
580	0.949
590	0.944
600	0.938
610	0.931
620	0.923
630	0.913
640	0.902
650	0.889
660	0.875
670	0.859
680	0.841
690	0.820
700	0.798
710	0.774
720	0.750
730	0.725
740	0.699
750	0.671
760	0.643
770	0.613
780	0.584
790	0.553

λ [nm]
800	0.524
810	0.494
820	0.464
830	0.434
840	0.408
850	0.382
860	0.356
870	0.330
880	0.305
890	0.284
900	0.265
910	0.246
920	0.228
930	0.213
940	0.200
950	0.185
960	0.173
970	0.161
980	0.151
990	0.142
1,000	0.133
1,010	0.126
1,020	0.119
1,030	0.113
1,040	0.109
1,050	0.105
1,060	0.101
1,070	0.097
1,080	0.095
1,090	0.093

λ [nm]
1,100	0.091
1,110	0.090
1,120	0.088
1,130	0.087
1,140	0.086
1,150	0.085
1,160	0.084
1,170	0.083
1,180	0.082
1,190	0.081
1,200	0.080
1,250	0.079
1,300	0.081
1,350	0.085
1,400	0.093
1,450	0.103
1,500	0.116
1,550	0.131
1,600	0.147
1,650	0.165
1,700	0.183
1,750	0.195
1,800	0.201
1,850	0.201
1,900	0.197
1,950	0.190
2,000	0.183
2,050	0.178
2,100	0.172
2,150	0.168

λ [nm]
2,200	0.165
2,250	0.167
2,300	0.176
2,350	0.189
2,400	0.200
2,450	0.211
2,500	0.223
2,550	0.231
2,600	0.237
2,650	0.240
2,700	0.233
2,750	0.149
2,800	0.023
2,850	0.007
2,900	0.005
2,950	0.004
3,000	0.003
3,050	0.003
3,100	0.003
3,150	0.003
3,200	0.003
3,250	0.003
3,300	0.004
3,350	0.004
3,400	0.004
3,450	0.005
3,500	0.005
3,550	0.006
3,600	0.007
3,650	0.008

λ [nm]
3,700	0.007
3,750	0.005
3,800	0.003
3,850	0.002
3,900	< 10⁻³
3,950	< 10⁻³
4,000	< 10⁻³
4,050	< 10⁻³
4,100	< 10⁻³
4,150	< 10⁻³
4,200	< 10⁻³
4,250	< 10⁻³
4,300	< 10⁻³
4,350	< 10⁻³
4,400	< 10⁻³
4,450	< 10⁻³
4,500	< 10⁻³
4,550	< 10⁻³
4,600	< 10⁻³
4,650	< 10⁻³
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

反射系数
Pd	0.920

参考厚度
d [mm]	2

承诺光谱值
τi (365nm)	≥0.93
τi (500nm)	≥0.94
τi (600nm)	≥0.92
τi (700nm)	≤0.83
τi (800nm)	≤0.55
τi (900nm)	≤0.28
τi (1060nm)	≤0.12
τi (2200nm)	≤0.2

折射率 n
nd (587.6 nm) = 1.510

色度评估

光源	A(Planck T = 2347K)
d [mm]	1	2	3
x	0.446	0.444	0.442
y	0.409	0.410	0.411
Y	89	87	84
λd [nm]	506	507	507
Pe	0.00	0.01	0.01

光源	Planck T = 3200 K
d [mm]	1	2	3
x	0.422	0.420	0.419
y	0.400	0.401	0.402
Y	89	87	84
λd [nm]	505	505	506
Pe	0.00	0.01	0.01

光源	D65 (TC = 6504 K)
d [mm]	1	2	3
x	0.312	0.311	0.310
y	0.330	0.331	0.331
Y	90	87	85
λd [nm]	501	501	501
Pe	0.00	0.01	0.01

物理值

密度
p [g/cm3]	2.52

气泡含量
气泡等级	3

玻转温度
Tg [°C]	605

温度系数
Tk [nm/°C]

耐化学性
耐污性	0
耐酸性	2.0
耐碱性	3.0

热膨胀
α-30°C/+70°C [10-6/K]	5.4
α20°C/300°C [10-6/K]	6.3
α20°C/200°C [10-6/K]