N-SF57HT | SCHOTT Advanced Optics

N-SF57HT

Glass Code: 847238.353

optical glass klein 4zu3.jpg

Characteristics
n_d	1.84666	ν_d	23.78
n_e	1.85504	ν_e	23.59
n_F-n_C	0.035604	n_F'-n_C'	0.036247

SCHOTT Article

Need help or a quote?

CONTACT OUR SUPPORT

Download Data sheet N-SF57HT

	SCHOTT Article	Glass type	L	W	T	DIA	Step n_d	Step v_d	n_d	v_d	Weight

Refractive Indices

Characteristics	λ [nm]
n_2,325.4	2,325.4	1.78502
n_1,970.1	1,970.1	1.79190
n_1,529.6	1,529.6	1.80011
n_1,060.0	1,060.0	1.81138
n_t	1,014.0	1.81296
n_s	852.1	1.82023
n_r	706.5	1.83099
n_C	656.3	1.83650
n_C^'	643.8	1.83807

Characteristics	λ [nm]
n_632.8	632.8	1.83956
n_D	589.3	1.84635
n_d	587.6	1.84666
n_e	546.1	1.85504
n_F	486.1	1.87210
n_F^'	480.0	1.87432
n_g	435.8	1.89423
n_h	404.7	1.91440
n_i	365.0

Characteristics	λ [nm]
n_334.1	334.1
n_312.6	312.6
n_296.7	296.7
n_280.4	280.4
n_248.3	248.3

Internal Transmittance

Characteristics	λ [nm]
τ_25/2500	2,500	0.584
τ_25/2325	2,325	0.642
τ_25/1970	1,970	0.893
τ_25/1530	1,530	0.980
τ_25/1060	1,060	0.998
τ_25/700	700	0.979
τ_25/660	660	0.971
τ_25/620	620	0.973
τ_25/580	580	0.977
τ_25/546	546	0.967
τ_25/500	500	0.932
τ_25/460	460	0.883
τ_25/436	436	0.830
τ_25/420	420	0.760
τ_25/405	405	0.630
τ_25/400	400	0.560
τ_25/390	390	0.350
τ_25/380	380	0.090
τ_25/370	370	0.001
τ_25/365	365
τ_25/350	350
τ_25/334	334
τ_25/320	320
τ_25/310	310
τ_25/300	300
τ_25/290	290
τ_25/280	280
τ_25/270	270
τ_25/260	260
τ_25/250	250

Characteristics	λ [nm]
τ_10/2500	2,500	0.806
τ_10/2325	2,325	0.838
τ_10/1970	1,970	0.956
τ_10/1530	1,530	0.992
τ_10/1060	1,060	0.999
τ_10/700	700	0.992
τ_10/660	660	0.988
τ_10/620	620	0.989
τ_10/580	580	0.991
τ_10/546	546	0.987
τ_10/500	500	0.972
τ_10/460	460	0.951
τ_10/436	436	0.928
τ_10/420	420	0.896
τ_10/405	405	0.831
τ_10/400	400	0.793
τ_10/390	390	0.657
τ_10/380	380	0.382
τ_10/370	370	0.063
τ_10/365	365	0.003
τ_10/350	350
τ_10/334	334
τ_10/320	320
τ_10/310	310
τ_10/300	300
τ_10/290	290
τ_10/280	280
τ_10/270	270
τ_10/260	260
τ_10/250	250

Partial Dispersion

Characteristics
P_s,t	0.2042
P_C,s	0.4568
P_d,C	0.2855
P_e,d	0.2353
P_g,F	0.6216
P_i,h
P'_s,t	0.2005
P'_C',s	0.4922
P'_d,C'	0.2369
P'_e,d	0.2311
P'_g,F'	0.5493
P'_i,h

Characteristics
ΔP_C,t	0.0032
ΔP_C,s	-0.0015
ΔP_F,e	0.0033
ΔP_g,F	0.0178
ΔP_i,g

Data sheet

Download Data sheet N-SF57HT

Download Safety Data sheet N-SF57HT

Collection Datasheets

Optical Glass Datasheet Collection EN 2024

Catalog

Optical Glass Pocket Catalog EN 2022

Optical Glass Positive List EN 2025

TIE‘s - Technical Information

TIE-04: Test Report for Delivery Lots of Optical Glass (EN)

TIE-19: Temperature Coefficient of the Refractive Index (EN)

TIE-25: Striae in Optical Glass (EN)

TIE-26: Homogeneity of Optical Glass (EN)

TIE-27: Stress in Optical Glass (EN)

TIE-28: Bubbles and Inclusions in Optical Glass (EN)

TIE-30: Chemical Properties of Optical Glass (EN)

TIE-31: Mechanical and Thermal Properties of Optical Glass (EN)

TIE-32: Thermal Loads on Optical Glass (EN)

TIE-33: Bending Strength of Optical Glass and ZERODUR® (EN)

TIE-35: Transmittance of Optical Glass (EN)

TIE-36: Fluorescence of Optical Glass (EN)

TIE-40: Optical Glass for Precision Molding (EN)

Back