TAC6L by Hoya
Preferred
Very Common
Environmentally Dangerous
TAC6L by Hoya is a preferred optical glass with a very common melt frequency. It transmits from 0.28 to 1.55 µm with an nd of 1.755 and a Vd of 52.32. It has low thermal expansion (CTE of 5.8×10⁻⁶/K), average chemical resistance, and dangerous environmental properties.
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
Thermal Properties
| TCE -30/70°C (10-6/K) | 5.8 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.6 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.36 \times 10^{-6} + 2(9.32 \times 10^{-9})\,\Delta T + 3(-2.81 \times 10^{-11})\,\Delta T^2 + \frac{6.6 \times 10^{-7} + 2(3.21 \times 10^{-10})\,\Delta T}{\lambda - -0.0668}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 3 |
| Acid Resistance | 4 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
Recommended glass type.
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| H-LAK53A | CDGM | 1.755 | 52.320574 | |
| S-LAH97 | Ohara | 1.755 | 52.318818 | |
| S-YGH51 | Ohara | 1.754998 | 52.321434 | |
| H-LAK53B | CDGM | 1.755 | 52.322058 | |
| YGH51 | Ohara | 1.754998 | 52.326713 | |
| 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 | |
| N-LAK33 | Schott | 1.753977 | 52.430467 |