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Calculators

powertechno2024-10-08T12:52:05-05:00

Divergence Calculation

Distance [m]:
Laser:
Power [mW]:
Divergence [mrad]:
Diameter at aperture [mm]:
Beam diameter after m: mm
Area of laser point after m: mm2
Laser intensity of uniform beam after m: mW/mm2

Find a laser beam's divergence

Specifications:
Distance from Laser Aperture -> Projection surface [m]:
Beam Waist Diameter at Laser Aperture [mm]:
Laser spot diameter at the projection surface [mm]:
The Full Divergence of the laser system is:
0.00 mrad

Calculating nanometers from wavenumber

To convert from wavenumber (cm-1) to nanometers, use the following equation: 1/cm-1 x 107 = nanometers. Or to convert from nanometers to wavenumber, you simply reverse the equation so that wavenumber (cm-1) = 107 / wavelength in nanometers. Or use the tool below. Wavenumber Nanometers

Converting angstroms to nanometers

To convert from angstroms to nanometers, use the following equation:

1 angstrom = 0.1 nanometer. Or use the tool below.

Angstroms Nanometers

Converting fahrenheit to celsius

To convert from fahrenheit to celsius, use the following equation:

32° Fahrenheit = 0° Celsius. Or use the tool below.

Fahrenheit Celsius

Converting watts to joules

Power is measured in Watts, named after James Watt (1736-1819). Joules (named after James Prescott Joule, 1818-1889) are units of energy. Use the following equation to convert from Watts to Joules.

1 Watt = 1 Joule per second of power

Calculating duty factor

Duty factor (also known as duty cycle) is the ratio of pulse duration to pulse period. Duty factor (Df) is calculated as follows.

Df = pulse duration (sec) / pulse repetition period (sec)

Multiply the result by 100 to get your answer as a percentage.

Please note that as pulse repetition frequency increases, duty factor increases. As pulse repetition period increases, duty factor decreases. As pulse duration increases, duty factor increases.

Converting wavelength to frequency

Wavelength Units: nm um mm m Wavelength (nm): Frequency Units: Hz kHz MHz GHz Frequency (Hz): Clear Result:

You can use the following equation to convert wavelength to frequency:

v (Hz) = 2.998 x 1017 / wavelength (nm).

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Fan Angle Calculator

To achieve your desired projection, select a minimum fan angle of: 67 degrees
Meters Centimeters Feet Inches 37m
49m
Meters Centimeters Feet Inches

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