YGH51 by Ohara

Obsolete Unknown Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Optical Properties
Refractive Index (nd) 1.754998
Abbe Number (Vd) 52.326713
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{3.01803 - 0.0153997\,\lambda^2 + 0.0217628\,\lambda^{-2} + 0.000539632\,\lambda^{-4} - 1.37604 \times 10^{-5}\,\lambda^{-6} + 9.9936 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) —
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance —
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
H-LAK53B CDGM 1.755 52.322058
H-LAK53A CDGM 1.755 52.320574
TAC6 Hoya 1.755 52.32
TAC6L Hoya 1.755 52.32
N-LAK33B Schott 1.755 52.3
K-LaSKn1 Sumita 1.755 52.4
LASKN1 Sumita 1.755 52.4
N-LAK33A Schott 1.75393 52.27
LAK33 Schott 1.753977 52.430467
N-LAK33 Schott 1.753977 52.430467
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
S-YGH51 Ohara 1.754998 52.321434
S-LAH97 Ohara 1.755 52.318818
S-LAL61Q Ohara 1.740999 52.60195
S-LAL61 Ohara 1.740999 52.636502
LAL61 Ohara 1.740999 52.648747
LAL59 Ohara 1.733997 51.488026
S-LAL59 Ohara 1.733997 51.47057
S-LAM60 Ohara 1.743198 49.339444
LAM60 Ohara 1.743198 49.309053
L-LAM60 Ohara 1.743198 49.295578
Compare Glasses
    Compare Selected