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Author: Aaron Day

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Fiber Size Calculator (BETA)

Step-By-Step Wizard
Advanced User

What kind of laser?

Fiberguide Red Laser

CW

Fiberguide Blue Laser Pulsing

Pulsed

Welcome to the Fiber Size Calculator where you can quickly find out what minimum fiber size you need or the maximum power amount for your needs. Click on either CW or Pulsed to get started.

Minimum Fiber Size or Laser Power?

Fiber Size Image

Fiber Size

Fiber Power Image 2

Laser Power

Select Fiber Size to calculate the minimum fiber size that can be used with a given laser source.

Select Laser Power to calculate the maximum power that can be put into the selected fiber core diameter.

What is the Pulse Duration?

Pulse Duration (τ):

Pulsed lasers with a pulse duration greater than 1 microsecond are treated as CW lasers in all calculations.

Ok, we need some numbers:

Power

Fiber Core Size μm

Wavelength (λ) nm

Fill Ratio %

Enter the values above. Fiber Core Size is the minimum core size required for the power level you have selected. Standard sizing may not be available in the exact diameter calculated, so please round up to the nearest standard size. Wavelength is the measure of peak to peak in nm. Fill Ratio is the percentage filled.

Minimum Fiber Size or Maximum Power?

Fiber 3D Size Image

Fiber Size

Fiber Power Image

Laser Power

Select Fiber Size to calculate the minimum fiber size that can be used with a given laser source.

Select Laser Power to calculate the maximum power that can be put into the selected fiber core diameter.

Average Power or Peak Power?

Average Power Image

Average Power

Peak Power Image

Peak Power

Review your laser specs and enter values in terms of average power.

Alternatively, calculations can be made in terms of peak power.

Ok, we need some numbers:

Average Power

Pulse Frequency (f) Hz

Peak Power

Wavelength (λ) nm

Fill Ratio %

Fiber Core Size μm

Wavelength (λ) nm

Fill Ratio %

Here's what you selected:

Laser:

Calculation:

Diameter: μm

Power:

Average Power:

Peak Power:

Wavelength (λ): nm

Fill Ratio: %

Pulse Duration (τ):

Pulse Frequency (f): Hz

Calculated Results:

Minimum Fiber Core Size:

Peak Power:

Maximum Pulse Power:

Maximum Energy per Pulse:

Maximum Power:

Irradiance (I): ²

This reflects the maximum laser power. Round down from this value if necessary. Please contact Fiberguide to learn more about our custom high power solutions.

These values are based on optimal launch conditions.

Type of Laser:

CW

Pulsed

Calculation:

Pulse Duration (τ)

Minimum Fiber Size

Maximum Power

Peak Power

Average Power

Power

Peak Power

Average Power

Pulse Frequency (f) Hz

Fiber Core Size μm

Wavelength (λ) nm

Fill Ratio %

Calculated Results:

Minimum Fiber Core Size:

Peak Power:

Average Power:

Maximum Pulse Power (Energy/τ):

Maximum Power:

Irradiance (I): ²

Start Over Contact Buy

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