Compare Model Drawings, CAD & Specs Availability Price
7Z07116
FL250A-BB-50
Thermal Laser Power Sensor, BB Type, 150 mW to 250 W, Ø50 mm, 0.19-11 µm
$1,780
In Stock
In Stock
7Z07116B
FL250A-BB-50 with 5m cable
Thermal Laser Power Sensor, BB Type, 150 mW to 250 W, Ø50 mm, 0.19-11 µm with 5m cable
$1,890
Notes:

If you need to measure beam position or size in addition to power, we offer the FL250A-BB-50-PPS BeamTrack version of this sensor.

Specifications

  • Product Name
    FL250A-BB-50
  • Absorber Type
    BB - Broadband general purpose
  • Aperture Size
    Ø50 mm
  • Spectral Range
    0.19-11 µm
  • Minimum Power
    150 mW
  • Maximum Average Power
    250 W
  • Minimum Pulse Energy
    80 mJ
  • Maximum Pulse Energy
    300 J
  • Response Time
    2.5 s
  • Maximum Average Power Density
    10 kW/cm²
  • Maximum Energy Density <100 ns
    0.3 J/cm²
  • Maximum Energy Density 2 ms
    10 J/cm²
  • Cooling
    Fan
  • Dimensions
    90 x 90 x 105 mm (LxWxD)
  • Cable Length
    1.5 m
  • CE Compliance
    Yes
  • UKCA Compliance
    Yes
  • China RoHS Compliance
    Yes

Features

Choosing a Thermal Sensor

In this short “Basics” video we review the use – and selection - of thermal sensors for measuring low, medium and high laser powers.

How to Measure Power of Broadband Sources

This video explains how to use Ophir sensors and meters to measure the power or energy of broadband light sources such as solar radiation, flash lamps, LEDs, etc.

Thermal Power Sensor Accuracy

Ophir former CTO Dr. Ephraim Greenfield discusses the various factors that contribute to uncertainties in measurement when using Ophir laser power and energy meters.

Effects of Incidence Angle on Measurements

In this video, you will learn to what degree a beam’s incidence angle matters, and for which sensor types this should be taken into account.

Thermal Sensor Calibration

As the spectral sensitivity of the absorber used for the power and energy measurement is not fully linear, Ophir sensors get a high precision calibration by default with more than one wavelength.

Each thermal sensor is calibrated independently of a particular Ophir power meter with its calibration information contained in the DB15 plug. When the sensor is connected to the meter, the meter reads and interprets this information to display a calibrated reading. Each power meter is calibrated independently and has the same sensitivity as an other meter within about 2 tenths of a percent.

Unless otherwise indicated, Ophir sensors and meters should be recalibrated within 18 months after initial purchase, and then once a year after that.

Absorption of different thermal sensor absorber types
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