PX-2 Pulsed Xenon Lamp with output from 220-750 nm

The  PX-2 Pulsed Xenon Lamp produces light in the UV region of the spectrum which is useful for the measurement of everything from small organic molecules to proteins and nucleic acids. All biological samples and many industrial and consumer products are active in the UV. Whether you are measuring absorption, fluorescence or reflectance, the UV region of the spectrum can be vital for obtaining a proper understanding of your sample. Almost all UV sources also have some light emission into the visible region of the spectrum as well, making them ideal for measuring samples in both regions of the spectrum.

Pulsed Xenon Lamps (PX-2 and HPX-2000 models) offer very high intensity in the UV and are useful for absorbance, fluorescence or reflectance measurements. Pulsed Xenon sources, like the PX-2, are high intensity with a lower duty cycle, making them ideal for measurements where too much UV light can damage the sample.

Deuterium sources (DH-2000 series) are weaker but much more stable than xenon. They are ideal for kinetics or process measurements where stability over a long period of time is important.

PX-2 Pulsed Xenon Lamp Specifications

Average Output Power: 9.9 W
Wavelength Range: 220nm – 750nm
Source: Pulsed Xenon
Pulse Duration: 5 μs (at 1/3 height of pulse)
Pulse Power: 45 microjoules/pulse (maximum)
Pulse Rate: Multiple mode: up to 220 Hz Single mode: 1 – 220 Hz
Source Lifetime: 10⁹ pulses (estimated 230 days continuous operation @ 50 Hz pulse rate)

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Description

The PX-2 Pulsed Xenon Lamp is a high flash rate, short-arc xenon lamp with output from 220-750 nm.

The PX-2 operates at speeds up to 220 Hz and offers excellent pulse-to-pulse stability. It can be triggered by an external TTL pulse and offers software control of the flash rate.

Spectrometer sampling can be altered so that a variable number of flashes are observed during each integration period. For example, in Single Mode operation, a single flash occurs during each integration period so you can easily synchronize both the xenon lamp and detector. In Multiple Mode, a steady, consistent light exposure is provided for each integration period, ensuring reliable absorbance and reflection measurements.

PX-2 Pulsed Xenon Lamp Product Overview
Adjustable flash rate — optimizes measurements of light sensitive samples
Simple operation — software control of flash rate and synchronization
Reliable performance — excellent pulse-to-pulse stability for long measurements

PX-2 Pulsed Xenon Source Spectral Output

Download Spectral Output

 

The PX-2 Pulsed Xenon Lamp has an SMA 905 Connector that couples to Ocean Optics miniature fiber optic spectrometers and accessories, including optical fibers, cuvette holders, probes and other sampling optics.

The PX-2 Pulsed Xenon Lamp operates at speeds up to 220 Hz, offers excellent pulse-to-pulse stability, and has two trigger modes for software control of the flash rate.

Any external TTL positive pulse can be used to trigger the PX-2.

When it is coupled to a spectrometer, you can easily synchronize operation of both the light and detector.

Because it produces a pulsed signal, the PX-2 is less likely to contribute to solarization in optical fiber assemblies, which can occur when fibers are illuminated with signals less than 260 nm.

The PX-2 features a TTL switch that provides two modes of operation: Multiple mode and Single mode.

In Multiple mode, the flash timing (pulse rate) is determined by the spectrometer. The Continuous strobe rate is either fixed or software controlled

When using Multiple mode, you must ensure that a constant number of flashes occurs for each integration cycle. This is accomplished by setting the pulse rate and integration time, which is controlled by the operating software

PX-2 user guide

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