Bộ điều biến ánh sáng không gian pha LETO (phản xạ)

Có thể đàm phánCập nhật vào08/18

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LETO Phase Modulator dựa trên một màn hình LCOS Micro phản chiếu với độ phân giải Full HD (1920 × 1080 pixel). LETO SLM với khoảng cách pixel chỉ 6,4 micron và khoảng cách giữa các pixel nhỏ 0,2 μm cung cấp một yếu tố làm đầy cao 93%, dẫn đến hiệu quả ánh sáng cao.

Chi tiết sản phẩm

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Tên sản phẩm:LETOBộ điều biến quang không gian pha(Phản xạ)

Giới thiệu sản phẩm:

LETOBộ điều biến pha dựa trên một phản xạLCOSMàn hình Micro và FullHD（1920×1080Độ phân giải pixel ( Chỉ dành cho6.4Pixel pitch của micron và0.2μmKhoảng cách giữa các nguyên tố.LETO SLMCung cấp93Yếu tố lấp đầy cao, do đó hiệu suất ánh sáng cao.

LETOBộ điều chế ánh sáng không gian– Microdisplay Features
Display Type:	Reflective LCOS (Phase Only)
Resolution:	1920 x 1080
Pixel Pitch:	6.4 µm
Fill Factor:	93 %
Active Area / Diagonal	12.5 x 7.1 mm (0.55″ Diagonal)
Addressing	8 Bit (256 Grey Levels)
Signal Formats	HDMI – HDTV Resolution
Frame Rate	60 Hz

The LETO phase modulator is based on a reflective LCOS microdisplay with full HD (1920 x 1080 pixel ) resolution. With a pixel pitch of only 6.4 µm and a small interpixel gap of 0.2 µ m the LETO SLM provides a high fill factor of 93% and thereby a high light efficiency.

The LETO Spatial Light Modulator is usable for the 400-1100 nm range and the modulator provides a phase shift of 2 π up to 850 nm. The device is delivered with a linear 256-level phase response for the specified user wavelength. The adaptation of the device settings for different operating wavelengths to a linear 2 π phase response can be done by straight forward gamma correction using the supplied calibration software.

The LETO Spatial Light Modulator offers a reflectivity of ~ 75%. Due to the optimized design of the LCOS microdisplay the LETO SLM shows low cross talk between the pixels resulting in high effective spatial resolution. The device offers diffraction efficiencies of more than 80% (16 level blazed grating) which leads to a total light efficiency of ~ 60%.

Download PDF: Brochure LETO Phase Only Spatial Light Modulator

Download PDF: Brochure Spatial Light Modulators

Special Features:
- Reflective LCOS Microdisplay	- Phase Only Modulation
- Small Interpixel Gaps	- 6.4 µm Small Pixel Pitch

The LETO phase only modulator devices can simply be addressed like an external monitor using the standard HDMI interface of the graphics card. No additional software or special hardware is needed to operate the SLM.

LETO Spatial Light Modulator Kit – Contents:

LETO Spatial Light Modulator – Scope of Supply

LETO SLM Driver Box

Phase Only Display incl. Flex Cable (1920 x 1080 Pixel)

HDMI-cable & DVI/HDMI-cable

USB Cable

Power Supply

Operating Instruction / Manual

Data Medium (CD or USB Flash Drive) with Manual, Calibration Software and Application Software

LETO Phase Modulator – Software Features:

The LETO phase only modulator devices can simply be addressed like an external monitor using the standard HDMI interface of the graphics card. No additional software or dedicated hardware is needed to operate the SLM.

For advanced callibration the LETO device uses a convenient standard USB interface and a Java based GUI callibration software. The software can be used to change the electrooptical response by applying a new gamma curve (to configure the device for use at a specific wavelength).

Besides that, a HOLOEYESLM Application Softwareis provided with the device. Key features of which are:

Computation of computer generated holograms (CGH) from user defined images

generation of SLM signals representing basic optical functions such as lenses, gratings, axicon and vortex functions

superposition of CGH’s with basic optical functions to combine functionalities

LETO Software Features
SLM Callibration Software	Brightness / Contrast / Geometry / Gamma Control
SLM Application Software	Basic DOE computations; Generation of optical functions (Circular Aperture, Fresnel Zone Lens, Axicon, Single and Double Slit …); Gratings (incl. Blazed and Sinusoidal)

Driver Dimensions (Unit: mm):

Display Dimensions (Unit: mm):

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