PCS1 by Hoya

Obsolete Unknown Environmentally Dangerous

PCS1 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.517284 and a Vd of 69.67869. 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) 1.517284
Abbe Number (Vd) 69.67869
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.27202 - 0.00742312\,\lambda^2 + 0.012004\,\lambda^{-2} - 0.000425816\,\lambda^{-4} + 7.17267 \times 10^{-5}\,\lambda^{-6} - 3.51402 \times 10^{-6}\,\lambda^{-8}}$$
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
S-APL1 Ohara 1.517277 69.563209
APL1 Ohara 1.517277 69.563209
S-APL Ohara 1.517277 69.56319
PK50 Schott 1.52054 69.712402
K-PMK30(M) Sumita 1.52002 70.2
D-PK3-25 CDGM 1.52368 70.274839
D-PK3 CDGM 1.525 70.370578
K-PMK30 Sumita 1.525 70.4
K-PG325 Sumita 1.5067 70.5
K-PG325(M) Sumita 1.50506 70.4
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
PC1 Hoya 1.503779 66.88712
FC5 Hoya 1.48749 70.44
BSC4 Hoya 1.50048 65.996466
PC2 Hoya 1.51821 65.160509
PC3 Hoya 1.52542 64.619542
BSC3 Hoya 1.498309 65.130542
M-FCD500 Hoya 1.55332 71.69
MP-FCD500-20 Hoya 1.55352 71.72
MC-FCD500-20 Hoya 1.55352 71.72
FCD500 Hoya 1.55397 71.76
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