C97-36 by Corning
Standard
Unknown
Environmentally Friendly
C97-36 by Corning is a standard optical glass. It transmits from 0.32 to 1.80 µm with an nd of 1.695989 and a Vd of 36.517325. It has low thermal expansion (CTE of 4.0×10⁻⁶/K).
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.695989 |
|---|---|
| Abbe Number (Vd) | 36.517325 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.32 — 1.8 µm |
$$n(\lambda) = \sqrt{2.79557 - 0.0133148\,\lambda^2 + 0.0276562\,\lambda^{-2} + 0.000478376\,\lambda^{-4} + 5.11372 \times 10^{-5}\,\lambda^{-6} + 5.98958 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 4.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 6.4 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[7.1 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| KZFS12 | Schott | 1.696 | 36.29 | |
| BAFD14 | Hoya | 1.699678 | 34.925493 | |
| BASF13 | Schott | 1.69761 | 38.570097 | |
| KZFS7A | Schott | 1.68064 | 37.389991 | |
| CSBR | Generic IR | 1.69706 | 34.108015 | |
| K-CD45(M) | Sumita | 1.68673 | 34.1 | |
| ADF405 | Hoya | 1.6765 | 37.477902 | |
| BPH40 | Ohara | 1.676498 | 37.537388 | |
| K-CD45 | Sumita | 1.6932 | 33.7 | |
| CD45 | Sumita | 1.6932 | 33.7 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| D23-38 | Corning | 1.72349 | 37.995089 | |
| D01-41 | Corning | 1.701805 | 41.110216 | |
| C67-33 | Corning | 1.666997 | 33.114648 | |
| C72-32 | Corning | 1.672698 | 32.31788 | |
| C89-31 | Corning | 1.689004 | 31.210861 | |
| C99-30 | Corning | 1.699002 | 30.107427 | |
| C55-40 | Corning | 1.6555 | 40.115717 | |
| C51-39 | Corning | 1.650206 | 39.193419 | |
| C48-34 | Corning | 1.647992 | 33.943274 | |
| D17-29 | Corning | 1.717409 | 29.492751 |