THORLABS DET200 Photodetector Biased Si Detector

( Brand: Thorlabs ), ( Part Type: Detector ), ( Warehouse Location: A154 ), ( Manufacturer Part Number: DET200 ), ( Country Of Origin: United States )

Review THORLABS Photodetector Biased Si Detector

The Thorlabs DET200 silicon photodetector is a versatile and high-performance photodetection solution designed for use in various applications, including spectroscopy, optical power monitoring, and photovoltaic measurements. This photodetector features a biased design, which simplifies the user experience by eliminating the need for external biasing, ensuring stable and reliable operation.

The DET200 photodetector is based on a high-sensitivity, low-capacitance silicon photodiode. Its active area measures 0.36 square millimeters, making it well-suited for detecting low light levels. The photodiode's responsivity is approximately 0.52 A/W at a wavelength of 810 nm, enabling it to efficiently convert incident photons into electrical current.

The detector comes with a built-in preamplifier, which amplifies the weak current generated by the photodiode. This preamplifier has a gain of approximately 120 dB, which is sufficient to bring the output signal up to usable levels for most applications. The input impedance of the preamplifier is 50 ohms, making it well-matched to common transmission line impedances, thus minimizing signal reflections and maximizing signal transfer efficiency.

The DET200 photodetector has a wide operating voltage range of 5.5 to 15 volts. The reverse bias voltage is fixed at 17 volts, ensuring optimal operation of the photodiode. The detector's output is a low-impedance current, which can be easily interfaced with data acquisition systems, power meters, or other measurement instruments.

The detector housing is made of anodized aluminum and is compact in size, measuring only 16.5 mm x 12.5 mm x 3.2 mm. The robust design and hermetic seal make the DET200 suitable for use in harsh environments. Additionally, the detector is equipped with a transparent window, allowing it to be used with both fiber optic and free-space optical setups.

The Thorlabs DET200 silicon photodetector is an excellent choice for researchers, laboratory professionals, and OEMs who require a high-performance, reliable, and easy-to-use photodetection solution. Its biased design, wide operating voltage range, and compact size make it a versatile and adaptable component for a variety of applications.

The Thorlabs DET200 Si photodetector is a high-performance, back-illuminated silicon photodiode designed for use in various optical detection applications. Below are some pros and cons that might help you make an informed purchasing decision.

1. High Sensitivity: The DET200 Si photodetector offers a high photodetection quantum efficiency of up to 90%, making it well-suited for applications where a high level of sensitivity is required.

2. Low Dark Current: With a dark current of less than 1 nA, this photodetector is ideal for use in low-light environments where minimizing dark current is crucial.

3. Wide Dynamic Range: The photodetector has a wide dynamic range, making it capable of handling both small and large input signals.

4. Fast Response Time: With a rise time of 35 nanoseconds and a fall time of 150 nanoseconds, the DET200 Si photodetector can respond quickly to changes in input signals.

5. Compact Size: The photodetector's small form factor makes it an excellent choice for applications where space is a constraint.

1. High Cost: The Thorlabs DET200 Si photodetector is a premium product, and its price point might be a barrier for some potential buyers.

2. Requires External Bias Voltage: This photodetector requires an external bias voltage to operate, adding to the complexity of the setup.

3. Sensitive to Electromagnetic Interference: Being a high-performance photodetector, the DET200 Si is susceptible to electromagnetic interference. Proper shielding and grounding are necessary to minimize the impact.

In conclusion, the Thorlabs DET200 Si photodetector is a high-performance, compact, and versatile optical detection solution suitable for applications where sensitivity, low dark current, and fast response time are essential. However, its relatively high cost and the need for external bias voltage are factors that should be carefully considered before making a purchasing decision.

If the application requirements align with the photodetector's capabilities and the potential downsides do not pose a significant issue, the Thorlabs DET200 Si photodetector is a solid choice for optical detection applications.

Details:

THORLABS DET200 Photodetector Biased Si Detector new old stock.

part #: det200 prices

• $92.25-$104.32

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• brand: Thorlabs
• part type: Detector
• warehouse location: A154
• manufacturer part number: DET200
• country of origin: United States

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