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SCHOTT BK70 pages
^( UQG
BK7 517642
nc = 1.51872 vff = 53.95 rip - hp- 0.006110
Relraetive Indices | ||
i,[nm] | ||
n23£i-1 | ||
nisroii | 1970.1 | 1.494 95 |
1520J6 | 1.5D091 | |
niacao | 106OJ0 | 1,506$$ |
rit | 1014J0 | 1.50731 |
r>s | 115?. ■ | ■ .ftfvian |
n, | 706.5 | 1,51289 |
nc | 3555 | 1.51432 |
nc- | 643.8 | 1.51472 |
632.8 | 1.51509 | |
np | 58ft3 | 1.51673 |
537.6 | 1.51630 | |
ttt | 546.1 | 1.51672 |
486.1 | 1.52238 | |
np | 48DJ0 | 1.52263 |
r»a | 435.8 | 1.52668 |
5] | 1.53024 | |
n | 365 0 | 1,5362? |
r ir:.i ■ | 334.1 | -.^272 |
312.6 | 1.5466a | |
296.7 | ||
243.3 | ||
Constants of Dispersion Formula | |
B, | 1.09951212 |
B2 | 2.31792344 ■ 10"1 |
1.01046945 | |
c, | 6.000693&7-10-3 |
2.001791 "JJ 10J | |
cs | 1.03560653 -102 |
Constants of Formula for dnVdT | |
On | 1.&G ■ 10-s |
1.31 ■ 10-' | |
-1.37 ■ 10-" | |
Eo | 4.34 ■ 10-7 |
E- | 6.27 ■ 10-I* |
0.170 | |
Color Code
IntuTHiilTrjinSffllltance - | ||
). [nm] | t, (5 mm) | f, (25 mm) |
2500.0 | ||
2325v4 | 369 | 0.57 |
1970,1 | 0,963 | 0.65 |
1523.6 | 0.397 | 0.9&5 |
1060J0 | 3.99J | O.SJUiS |
700 | 0.999 | O.CjSii |
66" | 3.9£3 | 0.927 |
620 | 3.999 | 0.957 |
580 | 0,999 | 0 996 |
5-1C " | 3.999 | 0,996 |
500 | 0.953 | 0.9S6 |
460 | Q.9S3 | 0.904 |
43^6 | 0.999 | 0.904 |
0.99fi | 0.993 | |
ifji f | 3.998 | 0,993 |
0.99U | 3.99' I | |
390 | ^.99L' | 0.909 |
360 | 0.93S | 0.9B0 |
3?c | 0995 | 0.974 |
365.0 | 0.99^ | 0.969 |
350 | 3.9S& | 3 93 |
334.1 | 0.950 | 077 |
320 | 0.81 | 0.35 |
310 | OJ59 | 0.07 |
300 | 026 | |
290 | ||
2-30 | ||
270 | ||
260 | ||
250 | ||
ETr,-m;irk:: |
Temperature CoefficiunlS Of Refractive Index | ||||||
4n„4/AT[10-V K] | An an/AT [10-*/K] | |||||
rci | 1069,0 | e | g | 1060.0 | E | g |
-40/-20 | 2,9 | 3 3. | 0-3 | 0.6 | ■.? | |
+ 20/+40 | 2.4 | 3,0 | 3,5 | 1.1 | 1.6 | 2.1 |
+ 60/+SO | 2.5 | 3.1 | 37 | I b | 2.1 | £.7 |
Relative Partial Dispersion | |
P*.i | 0.3093 |
D.5612 | |
0.3076 | |
Pcd | 0.2 3E5 |
P..F | 0.5 3J9 |
PUi | 0.7433 |
0.3076 | |
PV., | OJ6062 |
p'd.L- | 0-2566 |
0^370 | |
0/1754 | | |
07432 | |
Deviation of Relative Partial DlsjKr- SiortS 4P from the "Normal Line" | |
0J0216 | |
AFC! | 0.0037 |
1 iPF.» | -0.0009 |
! iPfl.F | -0.0003 |
APLB | 0.0036 |
Other Properties | |
V-Mf+TQV [10-VK] | 7.1 |
flso^wc [10-&/K] | 63 |
Tg PC] | 557 |
TIDISJO PC] | 557 |
7:9 | |
0.353 | |
A [W/(m ■ K)] | M ■'! |
p[g7cmf3] | 2.51 |
E[10' N/mmfl | 62 |
M | 0-206 |
K [10 e mm27H| | 2,77 |
610 | |
e | 0 |
Cfl | 2 |
PR | 0 |
SR | 1 |
AR | 2.0 |
PR | 2.3 |
U UQG
O P T * I C S
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