TAFD13 by Hoya

Obsolete Unknown Environmentally Dangerous

TAFD13 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.855396 and a Vd of 36.557002. 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) 1.855396
Abbe Number (Vd) 36.557002
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{3.34184 - 0.0186119\,\lambda^2 + 0.0299258\,\lambda^{-2} + 0.00311522\,\lambda^{-4} - 0.000296151\,\lambda^{-6} + 2.0703 \times 10^{-5}\,\lambda^{-8}}$$
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-ZLAF3 CDGM 1.855449 36.59805
L-LAH94 Ohara 1.860999 37.097767
K-VC90 Sumita 1.8528 39.0
K-VC90(M) Sumita 1.84859 38.9
S-LAH75 Ohara 1.873996 35.258594
LAH75 Ohara 1.873996 35.258591
S-LAH60 Ohara 1.834 37.160487
LAH60 Ohara 1.834 37.166863
S-LAH60MQ Ohara 1.833999 37.172099
LASFN14 Sumita 1.834 37.2
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
MP-NBFD10-20 Hoya 1.83461 37.29
M-NBFD10 Hoya 1.83441 37.29
NBFD10 Hoya 1.834 37.34
TAFD17 Hoya 1.877999 38.197051
MC-TAFD317 Hoya 1.8812 37.17
M-TAFD315 Hoya 1.85135 40.07
MC-TAFD315 Hoya 1.85135 40.07
NBFD40 Hoya 1.829 36.496616
MP-TAFD305 Hoya 1.85135 40.1
M-TAFD305 Hoya 1.85135 40.1
Compare Glasses
    Compare Selected