0481329

Specifications

Coating material

Calcium fluoride

Purity

99.8%

Form

Granulate

Dimensions

0.7 – 3.5 mm

Quantity

500 g

Theoretical density at 20°C

3.2 g/cm3

Melting point

1423 °C

Temperature at vapor pressure

10-2 mbar

1280 °C

10-1 mbar

1410 °C

Boiling point

~ 2500 °C

Type of evaporation

Melting

Possible

Evaporation source (typically)

Boat

Boat material

W

Good

Mo

Good

Ta

Good

Specific evaporation conditions

Preparation of base melt (premelt)

Good

Low residual pressure

Good

Substrate temperature range

100 - 200 °C

Good

200 - 300 °C

Good

Film transparency

Low

0.15 µm

High

12 µm

Film refractive index n / extinction coefficient k

at 550nm

n

1.23-1.46

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