Posted in | Lasers

PD300 Silicon Photodiode Sensor for Precision Laser Power Measurement

The PD300 silicon photodiode sensor is a general-purpose laser measuring sensor with a swivel mount, a removable filter, and a 10 × 10 mm aperture. 

 Without a filter, its spectral range is 350–1100 nm, and its optical power measurement range is 500 pW to 30 mW. The filter covers a spectral range of 430–1100 nm and has a power range of 2 µW to 300 mW. It has the distinctive Ophir automatic background subtraction capability.

Offered with a Two-Year Extended Warranty

  • Comes with filter-in/filter-out options
  • Patented automatic background subtraction
  • Fiber optic adapters available
  • 350 to 1100 nm silicon photodiode sensor
  • 500 pW to 300 mW power measurement range
  • Swivel mount for hard-to-measure places

Specifications

Source: MKS Ophir

. .
Aperture Size 10 × 10 mm
Material Silicon
Spectral Range Filter in: 430–1100 nm
Filter out: 350–1100 nm
Power Range Filter in: 2 µW to 300 mW
Filter out: 500 pW to 30 mW
Maximum Average Power Density Filter in: 50 W/cm2
Filter out: 10 W/cm2
Maximum Pulse Energy Filter in: 30 µJ
Filter out: 3 µJ
Response Time 0.2 seconds
Cable Length 1.5 m
Dimensions 120 × 13 × 21 mm (L × W × D)
CE Compliance Yes
UKCA Compliance Yes
China RoHS Compliance Yes

Features

Measuring Very Low Laser Powers with a Photodiode Sensor

Photodiode Sensors for Measuring Very Low Powers

Video Credit: MKS Ophir

The widespread use of photodiode sensors to measure extremely low laser powers is discussed in this brief “Basics” video.

Effects of Incidence Angle on Measurements

In this video, users can learn how important a beam’s incidence angle is and which types of sensors should consider it.

Effects of Incidence Angle on Measurements

Video Credit: MKS Ophir

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