The Detector-Filter combination serie incorporates a filter with a photodiode to achieve a tailored spectral response.
Radiometric response: PIN-10DF optimized to achieve flat responsivity from 450 to 950 nm 1cm² active area with BNC package
Photopic response: Optimized with filter which duplicate the human eye CIE curve to within 4% of area.

Main Features:
• CIE Match
• Flat band response
• Responsivity at 254nm: 0.14A/W typ
• with amplifier hybrid
• BNC Package

Applications:
• Analytical chemistry
• Spectrophotmetry
• Densitometry
• Spectroradiometry
• Medical instrumentation
• Liquid chromatography

Two Colour Photodiodes:Dual sandwich detectors or two colour detector are mostly employed for remote temperature measurements.
1- Silicon- silicon sandwich, in which one silicon photodiode is placed on top of the other.
2- Si- InGaAs sandwich : for application requiring a wider range of wavelength beyond 1.1µm, an InGaAs photodiode deplaces the bottom photodiode.
3- Si-InGaAs is also availalbe with a two stage thermo-electric cooler for more accurate measurements by stabilizing the temperature of InGaAs detector.

Features:
• Hermetically Sealed
• Low Noise
• Wide Wavelength Range
• Remote Measurements

Applications:
• Flame Temperature sensing
• Spectrophotometer
• Dual-wavelength detection
• IR Thermometers for Heat Treating
• induction heating
• other metal parts processing

Series E photodiodes are Blue-enhanced detectors with high quality color-correcting filters. The resulting spectral response approximates that of the human eye.
In addition to the Series E photodiodes listed, OSI Optoelectronics can provide other photodiodes in this catalog with a variety of optical filters.
Main Features:

• Human eye response
  
• TO Can Package

Applications:

• Photometry/Radiometry
  
• Medical instrumentation
  
• Analytical Chemistry

High speed silicon series are small area devices optimized for fast response time or high bandwidth applications.
BPX-65 (Fibre optic series) complement the rest of high speed group with an industry standard.

Main Features:
• Spectral range: 350nm to 1100nm
• Responsivity at 800nm: 0.5A/W
• Low dark current
• With lensed cap
• TO-46 package

Applications:
• Video systems
• Computer and Pheripherals
• Industrial control
• Guidance systems
• Laser monitoring

The PHOTOP^TM serie combine a photodiode with an operational amplifier in the same package. The spectral range from either 350nm to 1100 nm or 200nm to 1100nm.
They have an integrated package ensuring low noise output under a variety of operating conditions.

Main Features:
• Detector/Amplifier combined
• Spectral response:200nm - 1100nm
• Adjustable gain/Bandwidth
• Large active area
• DIP Package- TO5 - TO8

Applications:
• General purpose detection light
• Laser power monitoring
• Laser communication
• Industrial control sensors
• Fluorescence
• Colorimeter
• Pollution Monitoring

Photovoltaic Detector series is utilized for applications requiring high sensitivity and moderate response speeds, with an additional sensitivity in the visible-blue region for the blue enhanced series.
The spectral response ranges from 350 to 1100 nm, making the regular photovoltaic devices ideal for visible and near IR applications.

Main Features:
• Spectral range
• Responsivity at 254nm: 0.14A/W typ
• IR Suppressed
• High Speed response
• Package: TO5 - TO8- BNC -Plastic -Ceramic

Applications:
• Pollution Monitoring
• Medical instrumentation
• Spectroscopy
• Fluorescence<
• Water purification