600

120014001600

330

0.948

0.17

0.55

420

0.72

0.9310.905

0.988

380

340350

365370

390400

360

ne1.622990=

=

ndGlass code (e)

νeνd

1.625546

57.87

Glass code (d)

623581

626579

=

58.12=

H-ZK21

S-BSM15

2.83.2

1.7

2.3

0.61.0

0.9

1.6

0.91.2

2.12.5

1.11.41.7

3.0

0.61.01.3

1.61.92.3

0.389

3.4 3.6

3.9

h

4.24.14.0

3.9

2.6

3.6

4.1

2.7

1.3

3.3g

2.3

3.0

2.0

4.03.93.8

3.7

22002400

4.1

3.63.83.9

3.4

4.7

0.3894.7h

4.3

460

3.6

290300

-

0.050.01

280

0.73

550

3.53.5

800

0.995

5000.996

440

480

0.994650700

310320

Similar glass type

1.41.72.02.3

1.3

0.40.70.4

Color Code，Prod. Freq2015-4-1

-SCHOTT

0.1

CDGM

OHARA

Similar glass type

0.20.50.8

0.4

BACD15HOYA

2.6

2009-9-12011-2-1

C

Frac. eq. (ref.) 5.40.4

1st edition

Ａ1

2.4d

Ａ8

Ａ7

i-F'／F'-C'

2.1

4.85654114E-03

1.1

C'

2.92.82.7

2.02.3C' He-Ne

1.61.8

1.3

1.083

2.7

Ａ2

1.21.6

C

1.4 1.41.7

2.01.5

Δ ＰdC

1.1

A'

1.41.8

r

1.92.2

1.2

3.3

1.530

0.005817

0.003725

2.1r

2.2st

3.2

Δ ＰgF -0.0030

Deviation of relative partial disp.

3.1

2.82.72.62.52.62.7

2.82.9s

2.72.6

0.4

0.0

0.003261

0.10.40.81.1

1.71.9

1.3

0.71.0

-0.1

Fitting error of disp. form. σ [1E-6]

Power ser. eq.

-0.2 -0.1-0.3

4.9

2.32.1

1.8 2.0

Coef. disp. form. （frac. eq. ）(ref.)

1.0

Q1

1.1

InfraredVisible

0.8

-0.20.10.4

0.20.5

-0.1 0.00.30.60.9

0.30.60.9

-0.10.20.50.8

Q3

P3

Q2

P2

P1

8.35768084E+01

1.23469308E-01

3.14247196E-01

2.17575456E-02

3.22374048E-02

3.9

3.3

3.6e

3.43.33.23.23.3

F'2.9

F

0.7

3.4

3.73.4

3.43.6

2.0

2.7

2.02.3

1.6

3.23.02.92.93.03.1

0.9810.969

0.35

0.83

0.9960.996

0.994

0.997

0.9950.994

0.9960.9960.992

4.14.24.34.5

4.9

3.6

3.94.53.8

3.23.3

g4.3

0.998

0.850.952

0.9880.974

0.985

1800

3.9

-0.4-0.20.10.40.71.0

1000900

2000

3.33.2

F'Relative Δ n/Δ T [1E-6/℃]

Ａ6

Ａ5

Ａ4

Ａ3

1.6947F'-e／F'-C'

e-C'／F'-C'

F

2.92.6e

-0.4-0.20.10.40.71.0

1.61.6 1.7

1.41.31.8

3.02.92.82.82.93.03.1

3.4dHe-Ne

3.3C

2.92.82.72.72.72.83.0

2.72.83.0

3.33.23.1

3.3

2.92.72.62.62.72.82.9

2.52.52.62.7 2.8

3.0

2.72.5

2.42.42.52.7

2.93.1A'

2.4

2.52.62.8

1.083

2.52.42.32.32.32.4

2.52.42.22.22.32.4

2.52.72.8t

2.5

0 to 2020 to 4040 to 60

60 to 80 (ref.)80 to 90 (ref.)Temp. [℃]

20 to 4040 to 6060 to 8080 to 90

Temp. [℃]

-70 to -60 (ref.)-60 to -40 (ref.)

-40 to -20-20 to 0

Spectral l. Refractive idx 3.58Specific gravity

Absolute Δ n/Δ T [1E-6/℃]

-70 to -60-60 to -40-40 to -20-20 to 00 to 20

1.970

2.058

Ｃ'

Ｃ

ｒ

Ａ'

ｓ

ｔ

1.064

1.129

ｅ

ｄ

Ｄ

He-Ne

ｈ

ｇ

Ｆ'

Ｆ

1.6197291.617872

i-F'

F'-e

e-C'

1.630448

d-C／F-C

1.6255461.6229901.6228951.620733

1.6411191.6362771.631058

1.59635

1.6160041.613961.610941.61015

C'-t

0.0058290.013287

0.0108100.008788

i-g

h-g

g-F

1.620248

F-C

g-d

e-C

d-C

C-A'

C-t

Ａ0

ｉ

0.389

g-F／F-C

g-d／F-C

e-C／F-C

2.59035665E+00

Coef. disp. form. （pwr ser.）

1.6493781.644073

0.3042

0.517

0.54381.23960.5427

0.0183200.0055120.0052980.0093070.0131010.004842

Shear mod. [GPa] 33.9

0.34750.8199

Relative partial dispersion

C-A'／F-C

C-t／F-C

Young's mod. [GPa]

Abrasion hardness

Knoop hardness

4

Mechanical properties

Acid res. (powder)

At　[℃]

Tg　[℃]

CTE(100,300) [1E-7/℃]

60CTE(-30,70) [1E-7/℃]

651

Water res. (powder)

Acid res. (surface)

Chemical properties [class]

7

222

Climate resistance

Ht diffus. [1E-6 m2/sec]

0.975Ht cndct. [W/m･K]

Sp. heat [kJ/kg･K] 0.614

Alkaline detergent res.

0.00000000E+00

0.00000000E+00

-1.78313721E-08

6.52864472E-06

1.90519844E-04

1.57254882E-02

-1.19847148E-04

0.264

-1.02907579E-02

0.4517

0.50990.49010.86101.2222

0.0008

C'-t／F'-C'

i-g／F-C

h-g／F-CStress optical coef. [1E-5 nm/cm／Pa]

J-SK15

1.609201.603861.59771

696

NIKON CORPORATION

Internal trans. (10mm)

Prod. Freq. (A to F)

Color Code (80%/5%)

360/300

85.6124

507 (5)

Poisson's ratio

2.22

λ [nm] τ70

Thermal properties0.010719

Partial dispersion

F'-C'Internal CC 347/299