Saturday 12 December 2009

Spectrum Anylsr

Optical spectrum analyser for measurements on LEDs and laser light sources

The new Yokogawa AQ6373 is an optical spectrum analyser designed to carry
out measurements over the wavelength range from 350 to 1200 nm, including
the visible light spectrum from 380 to 780 nm.

In addition to its world-class optical performance in areas such as
resolution, accuracy, sensitivity, measurement speed and dynamic range, the
AQ6373 features a colour analysis function which makes it ideally suited to
measurements on LEDs and laser light sources.

Key performance parameters include a wavelength accuracy of ±0.05 nm, a
wavelength resolution down to 0.01 nm, and a sensitivity of –80 dBm,
switchable to a choice of high dynamic-range modes.

High-speed measurements result from a standard sweep time down to one second
(0.5 sec in automatic mode), while the free-space optical input makes the
instrument applicable to use with single-mode, multimode, and
large-diameter-core fibres. A built-in light source is also provided to aid
optical alignment.

The AQ6373 offers excellent functionality and operability, with ease of
operation and data handling. The large (10.4-inch) bright display features
an intuitive graphical user interface, and operation can be controlled via
USB mouse and keyboard as well as panel keys.

A large (128 Mbyte) internal memory is backed up by USB memory support, and
a variety of built-in functions including filtering, automatic measurements
and pass/fail testing provide easy data analysis. Fast remote operation is
available via GP-IB, RS-232 and Ethernet.

Key application sectors for the AQ6373 are in the R&D evaluation and
production testing of high-performance short-wavelength lasers filters and
LEDs: devices that are used in a wide variety of sectors including medical
analysis and treatment, biological microscopy, industrial machining,
telecommunications, optical rangefinding and interferometry, and consumer

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