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Technology
PHLUXi stands on enormous experience of THz-wave generation and its application through the long-term studies of the Teraphotonics Research Team of RIKEN (the Institute of Physical and Chemical Research). PHLUXi also hold the state-of-the-art technologyfor laser and fundamental knowledge to construct THz instruments. These technologies form backbone to provide highly reliable products in wide range of light, THz to UV.
1. Well-organized THz-wave technology
Monochromatic THz-wave generation (TPG, TPO, DFM)
Detection
Spectroscopy / Imaging
THz-specified material (Passive, nonlinear crystal)
2. Cutting-edge technologyof solid-state / fiber / hybrid lasers
Design of laser cavity
Nonlinear wave conversion
Material / Components
3. Fundamental elements for engineering
Electronics, control
Light-oriented mechanics
Passive stability and durability
Environment-considered engineering
Products and services
> Injection-seeded THz-wave parametric generator (is-TPG) |
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OverviewParametric generator extracts electromagnetic waves with a pair of arbitral frequency using a nonlinear optical crystal pumped by a laser. THz wave with high spectral brightness is obtained by this is-TPG because of using single-frequency light sources both for the pump and injection seeder at the idler wavelength. |
SpecificationsTuning method: Seeding source tuning |
Sorry NO FIGURE avilable now |
> THz-wave parametric oscillator (TPO) |
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OverviewParametric oscillator is an efficient source of narrow linewidth light without injection seeding. "Goemon-R" TPO holds ring-type cavity with a scanning mirror on a proper pivot. This setup enables "Goemon-R" to fast frequency tuning of monochromatic THz-wave by external control. "Goemon-R" can easily be used as a general purpose tunable source by a built-in all solid-state pump source because of the high stability and low operation cost. Brochure here |
SpecificationsTuning method: Angle tune |
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> High-energy, high rep rate LD pump YAG laser |
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OverviewPump laser for TPO have many attractive features itself. Although it is pumped by LD, high energy pulses are extractable from the tiny body with moderate repetition rate. No more lamp-pump. This laser provides an answer for a new age customer in a competitive price. (under development as an individual product) |
SpecificationsQCW-LD pump pulsed Nd:YAG laser |
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> Fast-response, High-sensitivity Pyro detector |
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Our new detector wipes the expensive COO, large size, heavy weight, and poor handling of bolometer off! Features- Room temperature operation
*** New type suitable for LOWER FREQUENCY is under development.*** |
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> THz Scanning Fabry-Perot Interferometer |
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Scanning FPI employing high finesse reflector for THz. We ship the instrument with customers suitable reflector pair. A software for easy measurement is attached.
Reflectors Scanning speed System requirement |
> High-resistivity (HR) Silicon products |
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OverviewUsing the Floating Zone growth, the impurity of intrinsic silicon material is decreased extremely low level. Unit price is strongly depends on the shape, dimensions, and quantity. Please ask without hesitation. Price example: Plane parallel 3 inch x 3 mm, double-side polished: USD600 for 3 pcs Plane parallel 1 inch x 0.05 mm, double-side polished: USD278 for 12 pcs |
SpecificationsResistivity: Available dimensions: Shape: Standard wafers (2, 3, and 4 inch-dia / 0.28~0.50 mm-thick, polished) are usually in stock. |
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> Terahertz Optics "Tsurupica" |
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OverviewMost of generally used optical transmission material are of no use in the specific THz-region. "Tsurupica" from PAX Inc., a well-known material for THz-region, is highly transparent not only for wide range of THz -wave but also visible light. Moreover "Tsurupica" shows almost same refractive indices in THz and visible. It realizes the precise alignment of THz light path using He-Ne laser as a guide. |
SpecificationsTransparent range: ~12THz (shown as right) Refer the "Tsurupica & HR-silicon" brochure, or PAX wibsite (Japanese only) for more information. * Tsurupica optics is product of PAX corporation.> Link to PAX, Inc. |
Transmission spectra of Tsurupica and HDPE |
Advantages of Tsurupica opticsA number of non-polar resins are equipped in THz region because of their small attenuation in THz. Smaller absorption of water is also important in humid environment. Some of these have good transparency both for visible and THz waves such as Tsurupica. SO, WHY TSURUPICA? Tsurupica only have the smallest modling shrinkage and CTE in these materials. Tsurupica also show good machinability. These characteristics guarantee high precision both for molding optics (for volume product) and machining optics (for custom product). Comparatively high refractive index realize high NA (large diameter with small focal length) with small abberation which is often required for condenser lens in THz. Tsurupica is the best transparent resin in THz, especially for the application which requires high precision. |
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