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Spatial Light Modulators

Meadowlark Optics’ Liquid Crystal on Silicon (LCoS) Spatial Light Modulators (SLMs) are uniquely designed for pure phase applications and incorporate analog data addressing with high refresh rates (1400 Hz).  This combination provides users with the fastest response times with high phase stability. The 1024 x 1024 SLM is ...

Specifications

Type: Liquid Crystal on Silicon (LCoS)
Pixel Pitch: >10 µm
Modulation Type: Phase
Wavelength Range: Visible (400-700 nm), Near-IR (700-1400 nm), IR (>1400 nm), Other
Response Time: <1 ms, 1-10 ms
Meadowlark Optics’ Liquid Crystal on Silicon (LCoS) Spatial Light Modulators (SLMs) are uniquely designed for pure phase applications and incorporate analog data addressing with high refresh rates (1400 Hz). This combination provides users with the fastest response times with high phase stability. The 1024 x 1024 SLM is good ...

Specifications

Type: Liquid Crystal on Silicon (LCoS)
Pixel Pitch: >10 µm
Modulation Type: Phase
Wavelength Range: Visible (400-700 nm), Near-IR (700-1400 nm), IR (>1400 nm), Other
Response Time: <1 ms, 1-10 ms
Meadowlark Optics is pleased to introduce our latest 1920 x 1200 Spatial Light Modulator (SLM) options. Don’t let the “E-Series” name fool you; with improved specifications over our previous model, it is anything but entry-level. It is, however, economical and ideally suited for educational labs with a limited ...

Specifications

Type: Liquid Crystal on Silicon (LCoS)
Pixel Pitch: 5-10 µm
Modulation Type: Phase
Wavelength Range: Visible (400-700 nm), Near-IR (700-1400 nm), IR (>1400 nm)
Response Time: >10 ms
Meadowlark Optics is pleased to introduce our latest 1920 x 1200 Spatial Light Modulator (SLM) options. Don’t let the “E-Series” name fool you; with improved specifications over our previous model, it is anything but entry-level. It is, however, economical and ideally suited for educational labs with a limited ...

Specifications

Type: Liquid Crystal on Silicon (LCoS)
Pixel Pitch: 5-10 µm
Modulation Type: Phase
Wavelength Range: Visible (400-700 nm), Near-IR (700-1400 nm), IR (>1400 nm)
Response Time: >10 ms

Spatial Light Modulators (SLMs): Precision Light Control for Advanced Optical Systems

Spatial Light Modulators (SLMs) are versatile optical devices that enable precise control over the amplitude, phase, and polarization of light. By modulating these properties across a spatial array of pixels, SLMs facilitate dynamic beam shaping, wavefront correction, and holographic imaging in various scientific and industrial applications.

What Are Spatial Light Modulators?

SLMs are devices that manipulate light in a spatially varying manner. They can modulate the intensity, phase, or polarization of light waves in space and time. SLMs are primarily marketed for image projection, display devices, and maskless lithography. They are also used in optical computing and holographic optical tweezers.

Types of Spatial Light Modulators

SLMs can be broadly classified based on their modulation mechanism:

  • Liquid Crystal on Silicon (LCoS): These SLMs use liquid crystal panels on a silicon backing to modulate light. They offer high resolution and are commonly used in phase modulation applications.

  • Digital Micromirror Devices (DMDs): DMDs consist of micro mirrors that tilt to modulate light intensity. They are widely used in digital projectors and display systems.

  • Electro-Optic and Acousto-Optic SLMs: These SLMs utilize electro-optic or acousto-optic effects to modulate light properties, offering high-speed modulation for dynamic applications.

Applications of Spatial Light Modulators

SLMs are employed in a wide range of applications:

  • Adaptive Optics: In astronomy and microscopy, SLMs correct for wavefront distortions caused by atmospheric turbulence or optical system imperfections, enhancing image resolution.

  • Holography: SLMs are used to create and manipulate holographic images for display, storage, or microscopy.

  • Optical Tweezing: SLMs enable the trapping and manipulation of microscopic particles, useful in biological and materials science research.

  • Beam Shaping: SLMs allow for the customization of laser beam profiles, which is crucial in applications like laser machining, optical testing, and medical treatments.

  • Quantum Technologies: SLMs play a role in quantum computing and communication by enabling precise control over photon states.

Choosing the Right Spatial Light Modulator

When selecting an SLM for a specific application, consider the following factors:

  • Resolution: Higher resolution SLMs provide finer control over light modulation, which is essential for applications requiring high precision.

  • Modulation Type: Depending on the application, choose between amplitude, phase, or polarization modulation.

  • Speed: The modulation speed of the SLM should match the requirements of the application, especially in dynamic or real-time systems.

  • Wavelength Range: Ensure the SLM is compatible with the wavelength of the light source used in the application.

  • Size and Integration: Consider the physical dimensions of the SLM and its compatibility with existing optical systems.

Explore Spatial Light Modulators on FindLight

FindLight offers a curated selection of Spatial Light Modulators from leading manufacturers. Whether you're working in adaptive optics, holography, or quantum technologies, FindLight provides the tools you need to enhance your optical systems.

Did You know?

Spatial Light Modulators (SLMs) are cutting-edge devices capable of controlling the intensity, phase, or polarization of light across a two-dimensional array of pixels. This precise spatial control enables advanced beam shaping, holography, and wavefront correction in real time. SLMs are critical components in adaptive optics systems used in astronomy to correct atmospheric distortions and improve telescope imaging. They are also employed in optical tweezing, allowing scientists to trap and manipulate microscopic particles with laser beams. Digital micromirror devices (DMDs) and liquid crystal on silicon (LCoS) are common types of SLMs, each with unique modulation mechanisms. By enabling dynamic and programmable light modulation, SLMs support cutting-edge research in quantum computing, holographic displays, and high-precision laser machining. Their versatility and precision make SLMs vital for next-generation optical technologies.