PHM53 by Ohara

Obsolete Unknown Environmentally Dangerous

PHM53 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.603001 and a Vd of 65.479908. It has dangerous environmental properties.

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.

Transmission Calculator
Valid wavelength range: 0.334–2.325 µm
Optical Properties
Refractive Index (nd) 1.603001
Abbe Number (Vd) 65.479908
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.53324 - 0.00950054\,\lambda^2 + 0.012924\,\lambda^{-2} + 0.000306911\,\lambda^{-4} - 1.766 \times 10^{-5}\,\lambda^{-6} + 1.05161 \times 10^{-6}\,\lambda^{-8}}$$
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 Compare
H-ZPK2A CDGM 1.603001 65.45962
PSK52 Schott 1.603101 65.409791
K-PSK300 Sumita 1.5995 65.6
K-PSK300(M) Sumita 1.5969 65.3
LBC3N Hoya 1.60625 63.72
PCD51 Hoya 1.59349 67.0
MC-PCD51-70 Hoya 1.59271 66.97
MP-PCD51-70 Hoya 1.59271 66.97
C04-64 Corning 1.603507 63.401916
B96-67 Corning 1.596306 67.398269
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-PHM53 Ohara 1.603001 65.443648
S-FPM2 Ohara 1.59522 67.735723
PHM52 Ohara 1.617999 63.386441
S-PHM52 Ohara 1.618 63.333504
S-PHM52Q Ohara 1.617999 63.321449
PHM51 Ohara 1.617001 62.800809
S-PHM51 Ohara 1.617001 62.800809
BAL35Y Ohara 1.58913 61.233033
BAL35 Ohara 1.58913 61.182174
L-BAL35 Ohara 1.58913 61.152601
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