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Eblana Unveils 1877nm Single-wavelength Laser Diode

The strained quantum well indium phosphide design is ideally suited for moisture detection
Eblana Photonics has released a single wavelength 1877nm Laser Diode (LD) module for laser spectroscopy applications.

The optically isolated 14-pin butterfly EP1877-DM series laser module is ideally suited for moisture detection in Tuneable Diode Laser Absorption Spectroscopy (TDLAS) applications.

This new laser product expands on Eblana’s existing gas detection product portfolio which already includes lasers for detecting methane (λ = 1654nm), CO2 (λ = 2004nm) and moisture (λ = 1392nm).

The laser is fabricated using Eblana’s discrete mode laser technology platform, which delivers DFB-like performance at a price point geared to high volume applications.

Eblana’s strained quantum well InP design provides stable, high performance, single wavelength operation and a wide degree of current tuning for wavelength control.



EP1877-DM temperature tuning plot

The product is ideally suited for H2O detection using the 1877nm absorption line and has a high spectral purity with a typical side-mode suppression ratio of 45dB. The LD has a narrow spectral line width frequency of about 1MHz.



EP1877-DM PL spectrum

Eblana maintains that the device exhibits exceptional device to device wavelength and performance uniformity. The module is packaged in a standard 14 Pin Butterfly with integrated TEC and optical isolator.

“We are delighted to announce this latest addition to our gas detection product line for TDLAS applications" says Jim Somers, Eblana’s CEO. “We are seeing an increasing trend towards laser-based gas detection systems for high volume deployments. Our customers are successfully displacing older, chemical based gas detection installations with TDLAS on the basis that the laser based system provides higher accuracy, is more reliable and has a lower overall total cost of ownership".

Richard Phelan, director of new product development at Eblana, adds, “Our Discrete Mode laser products are perfectly suited to TDLAS systems where precise wavelength control and stable performance are critical considerations. In response to market demand, we are planning further product releases in this application area in the near future".

Eblana says other centre wavelengths are available on request.

Based in Ireland, Eblana Photonics designs and manufactures laser diodes emitting in the range 680 nm to 2050 nm for communications, sensing and measurement applications.


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