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Compact acousto-optic modulator for applications as high precision measurements in laser spectroscopy, looking for licensees

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TODE20201016008
Publicado:
04/11/2020
Caducidad:
05/11/2021
Resumen:
A German national research institute active in metrology has developed a compact acousto-optic modulator for applications as high precision measurements in laser spectroscopy. The advantageous double-pass arrangement is in multiple use in laser technology. At high beam intensities the destruction threshold of optical components is a critical factor. By applying the new modulation principle, it is shifted into a non-critical range. The research institute is searching for licensees.

Details

Tittle:
Compact acousto-optic modulator for applications as high precision measurements in laser spectroscopy, looking for licensees
Summary:
A German national research institute active in metrology has developed a compact acousto-optic modulator for applications as high precision measurements in laser spectroscopy. The advantageous double-pass arrangement is in multiple use in laser technology. At high beam intensities the destruction threshold of optical components is a critical factor. By applying the new modulation principle, it is shifted into a non-critical range. The research institute is searching for licensees.
Description:
A German national research institute with subsidiaries in Berlin and Braunschweig, specialized in metrology, has developed an acousto-optical modulators (AOM). AOM are used to modulate the frequency and intensity of laser radiation and can be used wherever (ultraviolet) laser frequency has to be shifted or switched with high suppression. The invention is located in the field of typical high-precision measurement technology and can be used in various areas of laser spectroscopy.
The advantageous of the double-pass arrangement is in multiple use in laser technology. At high beam intensities, especially in the ultraviolet spectral range, the destruction threshold of optical components is a critical factor. By applying the offered new modulation principle, it is shifted into a non-critical range, since there is no mirror surface near a focus and thus close to the destruction threshold. This is achieved by a multiple folded beam path.
By using an acousto-optical modulator (AOM) as an active element of the double-pass arrangement, a doubling of the frequency shift is possible with a good suppression of the primary beam frequency.
The new design uses a specific convolution of the beam path of the array, resulting in a focus of the UV beam in free space, away from the surfaces of optical components. In addition, there is no misalignment of the emitted beam path.
The arrangement is additionally integrated in a monolithic compact housing with optimized (short) optical path length and equipped with an inert gas fluid This makes it possible to design structures that are significantly smaller (20 cm x 20 cm x 5 cm) and thus more cost-effective than the classic tabletop counterpart. The solution allows a compact, reliable and economically more cost-effective arrangement. It leads to a significant reduction in assembly time, installation space, re-adjustment and cleaning work.
The system can be used wherever (ultraviolet) laser frequency has to be shifted or switched with high suppression.
The invention is located in the field of typical high-precision measurement technology and can be used in various areas of laser spectroscopy. Applications are possible in laser spectroscopy for research, semiconductor production and inspection as well as quantum sensor technology. With the monolithic, new design, it is estimated that savings of several thousand euros per unit can be achieved.

The research institute is searching for international licensees to increase third-party funding.
Advantages and Innovations:
The offered design offers the following advantages compared with the state- of- the art setups:
- shifting of the focus from the mirror surface
- no beam offset
- compact, encapsulated design
Stage of Development:
Available for demonstration
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
Patent applied in Germany

Partner sought

Type and Role of Partner Sought:
The research institute is searching for industrial partners active in the development and manufacturing of equipment for laser spectroscopy for research, semiconductor production and inspection as well as quantum sensor technology who are interested in the commercial use of the technology as licensees

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
German

Keywords

Technology Keywords:
09001006 Ensayos de material óptico
01002011 Informática cuántica
01002012 Semiconductores
09003 Sistemas electrónicos de medida