Tuilaser Offers Line-Narrowed Excimer Laser For FBG Writing

Dec. 10, 2001
Fiber Bragg Gratings (FBGs) are basic elements in DWDM technology. To meet the demands of the FBG writing industry, Tuilaser has designed a new UV light source with a temporal coherence length of 5 mm, the BraggStar Industrial-LN.

Fiber Bragg Gratings (FBGs) are basic elements in DWDM technology. To meet the demands of the FBG writing industry, Tuilaser has designed a new UV light source with a temporal coherence length of 5 mm, the BraggStar Industrial-LN. Hence it is possible to utilize cost efficient excimer laser technology for the interferometric FBG writing process.

The BraggStar Industrial-LN can replace expensive UV light sources such as frequency doubled argon ion lasers driving interferometric FBG writing set-ups in production and R&D.

The BraggStar Industrial-LN offers the following benefits:

--High-End Technology: Corona Preionization, Solid-State-Switch, Metal/Ceramic

FutureTube Technology

--Long Temporal and Spatial Coherence Length

--Billion Pulses Hands Free Operation

--Excellent Spatial and Temporal Beam Stability

--Writes Sharp Gratings with Easy Reproducibility

--Increases Chirp and Spectrum Control and Throughput

The BraggStar Industrial-LN is a very competitive UV light source offering more flexibility and cost efficiency in FBG writing. The extended temporal coherence length and superior beam quality allow using the same set-up for different FBG writing processes saving preproduction and investment costs at the same time. In comparison to other light sources for the interferometric FBG process TUILASER's BraggStar Industrial-LN means only half investment cost. Besides negligible power requirements (40 kW for argon ion lasers vs. 1kW for BraggStar Industrial-LN) only air cooling is required.

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