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P-BK7  516641.243

optical glass klein 4zu3.jpg

"P" glass suitable for precision molding (low-Tg-glass).

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

Compare glass types with our Interactive Abbe Diagram.

Characteristics
nd 1.51640 νd 64.06
ne 1.51832 νe 63.87
nF-nC 0.008061 nF'-nC' 0.008115
Characteristics λ [nm]
n2,325.4 2,325.4 1.48811
n1,970.1 1,970.1 1.49407
n1,529.6 1,529.6 1.50025
n1,060.0 1,060.0 1.50620
nt 1,014.0 1.50683
ns 852.1 1.50936
nr 706.5 1.51248
nC 656.3 1.51392
nC' 643.8 1.51431
Characteristics λ [nm]
n632.8 632.8 1.51469
nD 589.3 1.51633
nd 587.6 1.51640
ne 546.1 1.51832
nF 486.1 1.52198
nF' 480.0 1.52243
ng 435.8 1.52628
nh 404.7 1.52982
ni 365.0 1.53583
Characteristics λ [nm]
n334.1 334.1 1.54227
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.460
τ25/2325 2,325 0.700
τ25/1970 1,970 0.920
τ25/1530 1,530 0.979
τ25/1060 1,060 0.999
τ25/700 700 0.997
τ25/660 660 0.997
τ25/620 620 0.997
τ25/580 580 0.997
τ25/546 546 0.997
τ25/500 500 0.996
τ25/460 460 0.995
τ25/436 436 0.994
τ25/420 420 0.994
τ25/405 405 0.993
τ25/400 400 0.992
τ25/390 390 0.990
τ25/380 380 0.986
τ25/370 370 0.979
τ25/365 365 0.973
τ25/350 350 0.930
τ25/334 334 0.730
τ25/320 320 0.240
τ25/310 310 0.020
τ25/300 300
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.733
τ10/2325 2,325 0.867
τ10/1970 1,970 0.967
τ10/1530 1,530 0.992
τ10/1060 1,060 0.999
τ10/700 700 0.999
τ10/660 660 0.999
τ10/620 620 0.999
τ10/580 580 0.999
τ10/546 546 0.999
τ10/500 500 0.998
τ10/460 460 0.998
τ10/436 436 0.998
τ10/420 420 0.997
τ10/405 405 0.997
τ10/400 400 0.997
τ10/390 390 0.996
τ10/380 380 0.994
τ10/370 370 0.992
τ10/365 365 0.989
τ10/350 350 0.971
τ10/334 334 0.882
τ10/320 320 0.565
τ10/310 310 0.180
τ10/300 300 0.004
τ10/290 290
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.3143
PC,s 0.5649
Pd,C 0.3082
Pe,d 0.2387
Pg,F 0.5335
Pi,h 0.7455
P's,t 0.3122
P'C',s 0.6102
P'd,C' 0.2571
P'e,d 0.2371
P'g,F' 0.4742
P'i,h 0.7405
Characteristics
ΔPC,t 0.0303
ΔPC,s 0.0126
ΔPF,e -0.0016
ΔPg,F -0.0025
ΔPi,g -0.0017