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Ocean Optics has added triggering functions to its USB2000 miniature spectrometer that are designed to provide accurate timing and synchronisation between the spectrometer and other devices.

Four low-jitter trigger modes and normal (free-running spectral acquisition) operating modes are now available, according to the company.

The USB2000 can be triggered so that sending the spectrometer a pulse causes it to do something such as a turn off or on a light, activate a pulse in a pulsed light source or start or end spectral acquisition in the spectrometer.

The miniature spectrometer incorporates an on-board programmable high-speed FPGA controller, a 22-pin connector and eight user-programmable digital I/Os.

Trigger modes

  • External software trigger — while the spectrometer is in free-running mode, data collected in the period up to the triggering event is transferred to software
  • External hardware level trigger — the spectrometer waits for a sharp rise in voltage on the trigger input pin and then acquires spectra until the voltage is removed
  • External synchronous trigger — the spectrometer acquires data from an external trigger event (such as a pushbutton) until the next time the trigger is activated, at which time the spectrometer ceases spectral acquisition and begins a new acquisition
  • External hardware edge trigger — the spectrometer waits for a sharp rise in voltage on the trigger input pin and then acquires one spectrum; one spectrum will be acquired for each trigger unless an acquisition is already in progress

Ocean Optics – Inventor of Miniature Fibre Optic Spectrometers

Interpreting the interaction with light

Ocean Optics is a diversified electro-optics technology company and a global leader in solutions for optical sensing – fundamental methods of measuring and interpreting the interaction of light with matter.

Worldwide sales and support

With locations in the United States, Europe and Asia, the company serves a wide range of markets and enabled diverse applications in medical and biological research, environmental monitoring, life science, science education, and process and quality control.

Our extensive product line

With the nearly 1,500 unique products in our portfolio, we are able to assist you with virtually any optical sensing need. Our line of products include spectrometers, optical sensors, metrology instrumentation, light sources, sampling accessories, fibres and probes.

Our OEM capabilities

Do you have a great idea for a commercial product that uses optics? Build on our success and bring your unique product to volume markets. Our specialised OEM engineering team will work closely together with your engineering team to ensure the best set-up for your demands.

Our success

Recognized as the inventor of miniature fibre optic spectroscopy, we’ve sold more than 150,000 spectrometers worldwide since 1989. As a result of the dramatic reduction in size and cost, applications once deemed too costly or impractical using conventional spectrometers were not only feasible, but practical. Nowadays our spectrometers can be found anywhere: on treetops in jungles, on oil rigs at sea, on rocket ships in space and even inside the human body.

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