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- DFB tunable diode lasers
- For terahertz generation via difference frequency mixing
- 0 to 2 THz or 1 to 3 THz continuous tuning
- Optional high-power, 2-color amplifier
- Optional precision frequency control with TOPTICA’s patented iScan® technology
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CW terahertz radiation is obtained by means of difference frequency mixing on a semiconductor antenna ("photomixer"). Two laser beams of slightly different wavelengths are superimposed on the photomixer, which generates a terahertz wave at the beat frequency of the two lasers. TOPTICA’s distributed feedback (DFB) diode lasers offer high output power and are thus ideally suited to efficient difference frequency mixing. A further benefit is the large mode-hop-free tuning range of the DFB lasers. The difference frequency of two DL DFB or dfTune lasers can be tuned from 0 to 2 THz, which covers the absorption signatures of a broad range of relevant substances including explosives.
TOPTICA offers three product packages to help customers select the most suitable components for their CW-terahertz experiment: a basic laser package, a high power package, and a precision frequency control package for high-resolution terahertz spectroscopy.
Further explanations can be found in the Lasers for Terahertz brochure. |
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| Downloads |
| Brochures |
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| Contact |
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TOPTICA Photonics AG
Lochhamer Schlag 19
82166 Graefelfing (Munich)
Germany
T +49 89 85837-0
F +49 89 85837-200
TOPTICA Photonics Inc.
1286 Blossom Drive
Victor, NY 14564
USA
T 585.657.6663
F 877.277.9897
sales@toptica.com
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