nd = 1.92286 υd = nF – nC =

ne = 1.93323 υe = nF´– nC´ =

λ(nm) λ(nm) τ5mm τ10mm

nr 706.5 2400 0.957 0.916

H-ZF62 923209

Internal Transmittance

RA(S)

20.88

20.71

1

1

0.044198

0.045071

Chemical Properties (grade)

RC(S)

Refractive Indices

1.90366r

nC 656.3 2200 0.978 0.956

nC´ 643.8 2000 0.996 0.992

nHe-Ne 632.8 1800 0.996 0.992

nD 589.3 1600 0.996 0.992

nd 587.6 660 1400 0.996 0.992

ne 546.1 708 1200 0.996 0.992

Tg(℃)

DA

Thermal Properties

1.91413

1.92248

DW

Ts(℃)

( )

1

1

1.93323

1.91038

1.92286

1.91231

ne 546.1 708 1200 0.996 0.992

nF 486.1 613 1060 0.996 0.992

nF´ 480.0 652 1000 0.996 0.992

ng 435.8 57 950 0.996 0.992

nh 404.7 69 900 0.996 0.992

ni 365.0 850 0.995 0.990λ(W/m·K)

Ts(℃)

α20/300℃(10-7/K)

T1013(℃)

α20/120℃(10-7/K)

1.95738

1.93323

1.95457 T1014.5(℃)

1.98281

2.00919

800 0.995 0.990

700 0.994 0.988

A0 485 650 0.993 0.986

A1 228 600 0.993 0.986

A2 9023 550 0.988 0.976

A3 3589 500 0.980 0.960E(107Pa)

G(107Pa)

5.38027×10-2

HK(107Pa)

FA

Constants of Dispersion Formula Mechanical Properties

3.504464

-2.03338×10-2

6.287419×10-33

A4 0.257 480 0.970 0.941

A5 460 0.962 0.925

440 0.942 0.887

420 0.902 0.814

Pd,c 0.2824 P′d,c´ 0.2341 400 0.781 0.610

P d 0 2347 P′ d 0 2301 390 0 586 0 343

( )

7.355939×10-5 B(10-12/Pa)

μ

0 0306

Anomalous dispersions

P F

0.0042PF,e

-5.69222×10-4

Relative Partial Dispersion

Pe,d 0.2347 P′e,d 0.2301 390 0.586 0.343

Pg,F 0.6395 P′g,F´ 0.5647 380 0.210 0.044

370

360

350

t C' D e F' g 340

dn/dt relative (10-6 / ℃)

0.0306Pg,F

Range ofTemperature

( ℃)He-Ne

Temperature Coefficients of Refractive Index

g

-40～-20 0.1 1.3 1.8 2.5 4.1 6.4 330

-20～0 0.1 1.4 2.0 2.7 4.5 7.0 320

0～20 0.2 1.5 2.2 2.9 4.9 7.6 310

20～40 0.3 1.8 2.4 3.2 5.3 8.1 300

40～60 0.5 2.0 2.8 3.6 5.8 8.7 290

60～80 0.7 2.3 3.1 4.0 6.3 9.4 280

1.9

2.5

1.7

1.3

2.2

1.5

60 80 0.7 2.3 3.1 4.0 6.3 9.4 280

λ80/λ5 λ70/λ5 44/39ρ(g/cm3) 3.93

2.5

Density Coloration Code