KDP by Generic Birefringent

Standard Unknown Environmentally Friendly

KDP by Generic Birefringent is a standard optical glass. It transmits from 0.40 to 1.06 µm with an nd of 1.509182 and a Vd of 56.224997. It has very high thermal expansion (CTE of 22.0×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.4–1.06 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.4–1.06 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Transmission Calculator
Valid wavelength range: 0.400–1.060 µm
Optical Properties
Refractive Index (nd) 1.509182
Abbe Number (Vd) 56.224997
Dispersion Formula Sellmeier
Wavelength Range 0.4 — 1.06 µm
$$n(\lambda) = \sqrt{1 + \frac{1.25662\,\lambda^2}{\lambda^2 - 0.00844782} + \frac{33.8991\,\lambda^2}{\lambda^2 - 1113.9} + \frac{0\,\lambda^2}{\lambda^2 - 0}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 22.0
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-9.718 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.339
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 —
Notes

source: Handbook of Optics Vol. II

Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
C10 Hoya 1.50137 56.296772
FTL10 Ohara 1.501372 56.399833
K10 Schott 1.50137 56.41
C2 Hoya 1.51602 56.771193
S-FTL10 Ohara 1.501372 56.421009
H-K8 CDGM 1.51602 56.794825
NSL2 Ohara 1.516016 56.800755
S-NSL2 Ohara 1.516016 56.858179
NSL33 Ohara 1.514536 54.714595
KF3 Schott 1.51454 54.702547
Similar Glasses (Generic Birefringent)
Glass Manufacturer nd Vd Compare
ADP Generic Birefringent 1.523454 52.25678
ADP-E Generic Birefringent 1.478797 61.616939
BBO-E Generic Birefringent 1.552518 61.321496
KDP-E Generic Birefringent 1.468324 68.984949
QUARTZ-E Generic Birefringent 1.553398 68.797763
QUARTZ Generic Birefringent 1.544296 70.132045
CALCITE Generic Birefringent 1.658643 48.541403
BBO Generic Birefringent 1.670737 52.593907
CALCITE-E Generic Birefringent 1.486494 79.064587
LAF3-E Generic Birefringent 1.596715 81.256833
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