Array Photodiodes
Description
Array photodiodes are semiconductor devices that consist of multiple photodiodes arranged in an array format. These devices are designed to detect light and convert it into an electrical signal. The array configuration allows for the simultaneous detection of light across multiple points, making them suitable for applications that require spatial resolution of light intensity.
Working Principle
Array photodiodes operate by utilizing the photoelectric effect, where photons striking the semiconductor material generate electron-hole pairs. These charge carriers are then collected by the photodiode's electrodes, producing a photocurrent. The array configuration enhances their utility by allowing for the detection of light patterns or images, making them useful in applications requiring detailed spatial information. The ability to detect light across a spectrum, including UV, visible, and IR, further enhances their versatility .
Applications
Array photodiodes are used in a variety of applications that require precise light detection and spatial resolution. For example, they are employed in optical communication systems to convert optical signals into electrical signals. They are also used in imaging applications, such as in cameras and scanners, where they help capture detailed images by detecting light intensity across a surface. Additionally, they can be used in industrial settings for tasks like monitoring the position of objects on an assembly line .
Advantages over other Photodiodes
Array photodiodes offer several advantages over other types of photodiodes. One significant advantage is their ability to provide spatial resolution, which is not possible with single photodiodes. This makes them particularly useful in imaging and pattern recognition applications. Additionally, their ability to detect a wide range of light wavelengths, from UV to IR, allows for greater flexibility in various applications .
Limitations
One limitation of array photodiodes is their complexity compared to single photodiodes, which can lead to higher costs and more complicated integration into systems. They may also require more sophisticated electronics to process the signals from multiple photodiodes simultaneously. Furthermore, the increased number of components can lead to higher noise levels, which may affect the accuracy of the detected signal .
Considerations
When considering the use of array photodiodes, it is important to evaluate factors such as initial costs, which can be higher due to the complexity of the array configuration. Operating expenses may also be increased due to the need for additional electronics and signal processing capabilities. Durability and maintenance costs should be considered, as the increased number of components may lead to more frequent replacements or repairs. Accuracy is another critical factor, as the potential for increased noise levels can impact the precision of measurements. Therefore, careful consideration of these factors is essential when deciding to implement array photodiodes in a given application.
from Hamamatsu Photonics
16-element InGaAs array [See More]
- Spectral Response Range: 900 to 1700
- Array: Array
- Peak Sensitivity Wavelength: 1550
- Number of Array Elements: 16
from DigiKey
Photodiode Array - 16 Element [See More]
- Array: Array
- Operating Temperature: -30 to 85
- Sensitivity: 0.6000
- Photodiode Package: THT; Array - 16 Element
from Hamamatsu Photonics
32-element InGaAs array [See More]
- Spectral Response Range: 900 to 1700
- Array: Array
- Peak Sensitivity Wavelength: 1550
- Number of Array Elements: 32
from DigiKey
Photodiode 970nm Array - 76 Element [See More]
- Photodiode Spectral Response: IR
- Array: Array
- Peak Sensitivity Wavelength: 970
- Sensitivity: 0.5000
from Hamamatsu Photonics
46-element InGaAs array [See More]
- Spectral Response Range: 900 to 1700
- Array: Array
- Peak Sensitivity Wavelength: 1550
- Number of Array Elements: 46
from DigiKey
Photodiode Array - 35 Element [See More]
- Array: Array
- Operating Temperature: -30 to 85
- Sensitivity: 0.6500
- Dark Current: 0.0500
from Hamamatsu Photonics
16-element array [See More]
- Spectral Response Range: 900 to 1700
- Array: Array
- Peak Sensitivity Wavelength: 1550
- Number of Array Elements: 16
from DigiKey
Photodiode Array - 38 Element [See More]
- Array: Array
- Operating Temperature: -30 to 85
- Sensitivity: 0.6500
- Dark Current: 0.0500
from Hamamatsu Photonics
Photodiode array for DWDM monitor [See More]
- Spectral Response Range: 900 to 1700
- Array: Array
- Peak Sensitivity Wavelength: 1550
- Number of Array Elements: 40
from DigiKey
Photodiode 420nm Array - 16 Element [See More]
- Photodiode Type: Avalanche Photodiode
- Peak Sensitivity Wavelength: 420
- Spectral Response Range: 300 to 900
- Array: Array
from Hamamatsu Photonics
Absorbance measurement module with built-in photodiode array, optical elements, current-to-voltage converter, etc. The C13398 series is an optics module for absorbance measurement featuring high blocking performance (OD >4) and low noise. It is composed of Si photodiodes, beam splitters, filters,... [See More]
- Array: Array
from DigiKey
SENSOR PHOTODIODE 420NM ARRAY [See More]
- Spectral Response Range: 250 to 900
- Array: Array
- Peak Sensitivity Wavelength: 420
- Operating Temperature: -20 to 50
from Hamamatsu Photonics
Quadrant type [See More]
- Spectral Response Range: 900 to 1700
- Active Area Diameter or Length: 2
- Peak Sensitivity Wavelength: 1550
- Active Area Height: 2
from DigiKey
SENSOR PHOTODIODE 420NM ARRAY [See More]
- Spectral Response Range: 250 to 900
- Array: Array
- Peak Sensitivity Wavelength: 420
- Operating Temperature: -20 to 50
from Hamamatsu Photonics
Quadrant type [See More]
- Spectral Response Range: 900 to 1700
- Active Area Diameter or Length: 1
- Peak Sensitivity Wavelength: 1550
- Active Area Height: 1
from DigiKey
SENSOR PHOTODIODE 420NM ARRAY [See More]
- Spectral Response Range: 250 to 900
- Array: Array
- Peak Sensitivity Wavelength: 420
- Operating Temperature: 0.0 to 60
from Hamamatsu Photonics
Highly reliable quadrant photodiode. for ArF excimer laser monitor. The S10359 is a quadrant Si photodiode that has achieved high reliability for ultraviolet light. It exhibits low sensitivity deterioration under UV light irradiation and is suitable for applications such as optical axis alignment or... [See More]
- Spectral Response Range: 193 to 1000
- Array: Array
- Peak Sensitivity Wavelength: 760
- Number of Array Elements: 4
from DigiKey
Photodiode 420nm Array - 8 Element [See More]
- Peak Sensitivity Wavelength: 420
- Photodiode Package: THT; Array - 8 Element
- Array: Array
from Hamamatsu Photonics
Dual-element, plastic package photodiode. The S3096-02 is a dual-element Si PIN photodiode molded into plastic package. Having high sensitivity and low noise, this photodiode has low crosstalk between the elements. Custom devices (with different element shapes, number of elements, characteristics... [See More]
- Photodiode Type: PIN Photodiode
- Peak Sensitivity Wavelength: 960
- Spectral Response Range: 320 to 1100
- Array: Array
from DigiKey
Photodiode 420nm Array - 8 Element [See More]
- Peak Sensitivity Wavelength: 420
- Photodiode Package: THT; Array - 8 Element
- Array: Array
from Hamamatsu Photonics
Dual-element, plastic package photodiode. The S4204 is a dual-element Si PIN photodiode molded into plastic packages. Having high sensitivity and low noise, this photodiode has low crosstalk between the elements. Custom devices (with different element shapes, number of elements, characteristics and... [See More]
- Photodiode Type: PIN Photodiode
- Peak Sensitivity Wavelength: 960
- Spectral Response Range: 320 to 1100
- Array: Array
from DigiKey
Photodiode 950nm 13ns Array - 16 Element [See More]
- Photodiode Spectral Response: IR
- Peak Sensitivity Wavelength: 950
- Spectral Response Range: 350 to 1100
- Array: Array
from Hamamatsu Photonics
Quadrant Si PIN photodiode. The S4349 is a quadrant Si PIN photodiode having sensitivity in the UV to near IR spectral range. A quadrant element format allows position sensing such as for laser beam axis alignment. [See More]
- Photodiode Type: PIN Photodiode
- Spectral Response Range: 190 to 1000
- Photodiode Spectral Response: UV
- Peak Sensitivity Wavelength: 720
from DigiKey
Photodiode 950nm 13ns Array - 32 Element [See More]
- Photodiode Spectral Response: IR
- Peak Sensitivity Wavelength: 950
- Spectral Response Range: 350 to 1100
- Array: Array
from Hamamatsu Photonics
Multi-element photodiode for surface mounting [See More]
- Spectral Response Range: 320 to 1100
- Array: Array
- Peak Sensitivity Wavelength: 960
- Number of Array Elements: 2
from Hamamatsu Photonics
Multi-element photodiode for surface mounting [See More]
- Spectral Response Range: 320 to 1100
- Array: Array
- Peak Sensitivity Wavelength: 960
- Number of Array Elements: 4
from First Sensor AG
These avalanche photodiodes were developed specifically for LIDAR applications and laser rangefinders. The series of products contains linear and matrix arrays with multiple sensors on one monolithic die, e.g. 8, 16, 64 pixels. Special features. Fast rise time in 900 nm range. Low gain slope above... [See More]
- Photodiode Type: Avalanche Photodiode
- Spectral Response Range: 850 to 1070
- Photodiode Spectral Response: IR
- Active Area Diameter or Length: 4
from PREMA Semiconductor GmbH
Two differential pairs of photodiodes with amplifiers. The optical sensor IC PR5401 consists of two pairs of photodiodes placed in opposite quadrants with differential amplifiers. If illuminated uniformly, the output is Vcc/2, but depends on the balance of illumination on each pair. APPLICATIONS. [See More]
- Photodiode Type: PN Photodiode
- Spectral Response Range: 950
- Photodiode Spectral Response: Visible; IR
- Peak Sensitivity Wavelength: 800
from OSRAM Opto Semiconductors
2-Chip SMT PIN Photodiode [See More]
- Photodiode Type: PIN Photodiode
- Spectral Response Range: 400 to 1100
- Photodiode Spectral Response: IR
- Peak Sensitivity Wavelength: 850
from ams
The TSL1401CL linear sensor array consists of a 128 × 1 array of photodiodes, associated charge amplifier circuitry, and an internal pixel data-hold function that provides simultaneous-integration start and stop times for all pixels. The array is made up of 128 pixels, each of which has a... [See More]
- Array: Array
- Operating Temperature: -25 to 85
- Number of Array Elements: 128
from OSI Optoelectronics
This series consists of 16- element arrays: the individual elements are grouped together and mounted on PCB. For X-Ray or Gamma-ray application, these multi-channel detectors offer scintillator-mounting options: BGO, CdWO4 or CsI(TI). BGO (Bismuth Germinate) acts as an ideal absorber: it is widely... [See More]
- Photodiode Type: PIN Photodiode
- Spectral Response Range: 350 to 1100
- Photodiode Spectral Response: X-ray; Visible
- Peak Sensitivity Wavelength: 930
from First Sensor AG
These avalanche photodiodes were developed specifically for the laser radar system LIDAR and laser rangefinders. The series provides fundamental technology for the development of arrays with multiple individual sensors, e.g. 8, 16, 32 pixels. Features: Fast rise time in 900 nm range. Low gain slope... [See More]
- Photodiode Type: Avalanche Photodiode
- Spectral Response Range: 750 to 930
- Photodiode Spectral Response: IR
- Active Area Diameter or Length: 1
from ams
The TSL3301 −CL is a high-sensitivity 300-dpi, linear optical sensor array with integrated 8-bit analog-to-digital converters. The array consists of 102 pixels, each measuring 85 μm (H) by 77 μm (W) and spaced on 85 μm centers. Associated with each pixel is a charge... [See More]
- Array: Array
- Operating Temperature: -25 to 85
- Number of Array Elements: 102
from OSI Optoelectronics
FCI-InGaAs-300B1XX series are multifunctional backside illuminated photodiode/arrays. They come standard in a single element diode or 4 - or 8- elements array with active area of 300µm. These back illuminated InGaAs photodiode/arrays are designed to be flip chip mounted (active area facing up), or... [See More]
- Photodiode Type: PIN Photodiode
- Spectral Response Range: 900 to 1700
- Photodiode Spectral Response: IR
- Peak Sensitivity Wavelength: 1550
from OSI Optoelectronics
The UDT-4X4D is a 4 by 4 array of super blue enhanced Photodetectors. Our proprietary design provides virtually complete isolation between all of the 16 elements. The standard LCC package allows easy integration into your surface mount applications. Numerous applications include Ratio and Scattering... [See More]
- Photodiode Type: PIN Photodiode
- Spectral Response Range: 350 to 1100
- Photodiode Spectral Response: UV; Visible; IR
- Peak Sensitivity Wavelength: 810
from OSI Optoelectronics
Multichannel array photodetectors consist of a number of single element photodiodes laid adjacent to each other forming a one-dimensional sensing area common cathode substrate. They can perform simultaneous measurements of a moving beam or beams of many wavelengths. They feature low electrical cross... [See More]
- Photodiode Type: PIN Photodiode
- Spectral Response Range: 200 to 1100
- Photodiode Spectral Response: UV; Visible; IR
- Active Area Diameter or Length: 4.39