PLUTO: High-Resolution LCOS Phase Only Spatial Light Modulators
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The PLUTO phase modulator models are based on reflective LCOS microdisplays with 1920 x 1080 pixel resolution and are optimized to provide a phase shift above 2 π up to 1550 nm. The PLUTO devices are packaged in an very small housing to ensure an easy integration into optical setups and applications. The PLUTO phase modulator series will include 3 versions optimized for the visible (420 - 850 nm), the near infrared (850-1100 nm) as well as for typical telecommunication wavelengths (1550 nm) to ensure optimal results for specific requirements. Applications range from holography, lithography, optical metrology, interferometry, optical tweezers, wave front corrections to phase shifting applications. The high fill factor of the display also ensures a high light efficiency. |
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The displays show a reflectivity of approx. 60% and diffraction efficiencies of more than 80%. Thereby a total light efficiency of more than 50% per addressable diffractive device is possible. The driving of the PLUTO devices is as easy as with all HOLOEYE Spatial Light Modulators. A HDTV graphics card is sending HDTV resolution images to the device (via DVI) with a frame rate of 60 Hz. The Pluto Modulators are easily addressed as an external monitor. |
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PLUTO LCOS Phase Only Spatial Light Modulators - Data Sheet (852 KB)
PLUTO - Optimized for different Wavelengths Ranges
HOLOEYE provides 3 versions of the PLUTO modulator:
- PLUTO-VIS: This version is optimized for 420 - 850 nm (The display has a broadband AR (anti reflection) coating for 420 – 850 nm).
- PLUTO-NIR: This version is optimized for 850 - 1100 nm (AR coating for 1064 nm and a thicker LC layer guarantee a phase modulation of 2 π still at 1064 nm).
- PLUTO-TELCO: This version is optimized for common telecommunication wavelenghts ranges up to 1550 nm.
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PLUTO Phase Modulator - Microdisplay Features
| Pixels | Pixel Pitch | Fill Factor | Panel Size | Addressing | Signal Formats | Frame Rate |
| 1920 x 1080 | 8.0 µm | 87% | 0,7" | 8 Bit | DVI - HDTV Resolution | 60 Hz |
PLUTO Phase Modulator - Special Optical Features:
| - Reflective LCOS Microdisplay | - Phase Only Modulation |
| - 2 π Phase Shift up to 1550 nm | - 8.0 µm Small Pixel Size |
PLUTO Phase Modulator - Driver & Application Software
| Driver Software: | Brightness / Contrast / Geometry / Gamma Control |
| Application Software: | Basic DOE computations; Generation of optical functions (Circular Aperture, Fresnel Zone Lens, Axicon, Single and Double Slit ...); Gratings (incl. Blazed and Sinusoidal) |
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The PLUTO devices are highly programmable and come with a driver software to controll all settings and relevant image parameters. The software provides a very easy gamma control to configure the modulator for different applications which is a comfortable tool to tailor the performance of the device to the desired result. Besides geometry and gamma corrections different sequences can also be addressed to the drive board. In addition, tailored Spatial Light Modulator application software allows easy generation of diverse dynamic optical functions like gratings, lenses, axicons and apertures, as well as the calculation of diffractive optical elements (DOE) based on user defined images. |
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PLUTO - Compact Design, High Resolution, Small Pixel
With a pixel pitch of only 8.0 µm, HDTV resolution (1920 x 1080 pixel), a high light efficiency (due to the reflective structure of the microdisplay) and an image refresh frame rate of 60 HZ via DVI, the PLUTO phase only modulators are suitable for a wide range of applications. Additionally the easy adressing and the small proportions of the PLUTO devices (housing only 121 x 73 x 22 mm) ensure an easy integration.
PLUTO
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Phase Cam: Application Software for HOLOEYE´s Spatial Light Modulators
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