Products

SUSS MicroOptics manufactures custom monolithic micro-optics at wafer level in silicon and fused silica by using reactive ion etching (RIE) to transfer the required structures to the substrate. This technique provides excellent resolution and uniformity and enables complex forms to be incorporated, such as trenches, cavities, pedestals, alignment points and identification marks. Components can be AR Coated and /or metallized and delivered in a range of formats.

We provide design support, feasibility studies, prototyping and volume production.

Refractive Microlenses

FIBer & PIC WAVEGUIDE COUPLERS

 

Materials Fused silica (various grades), Silicon
NA Typ. 0.1 to 0.6
Fiber/ WG types SMF, MMF (FMF & special waveguide modes possible)
Back focal distance Typ. 0 - 300 μm
Pitch According to customer requirement
Lens type Circular, cylindrical
Lens profile Spherical, aspherical (DOE, Fresnel lenses also available)
Arrays Linear, quadratic, hexagonal, custom
No. lenses per array According to customer requirement
AR coating UV, VIS, NIR – front side, back side, against air or glue

 

 

 

BEAM HOMOGENIzERS - imaging & non-imaging

 

Angular spectrum Typ. < 1 – 20 degrees
Material Fused silica (various grades), Silicon
Area of illumination Linear, circular, rectangular, square
AR coating UV, VIS, NIR – front side, back side, to air, to glue
Lens array dimensions According to customer requirement

 

 

SLOW AXIS COLLIMATORS

 

Materials Fused silica (various grades), Silicon
NA Typ. 0.1 to 0.6
Fiber/ WG types SMF, MMF (FMF & special waveguide modes possible)
Back focal distance Typ. 0 - 300 μm
Pitch According to customer requirement
Lens type Circular, cylindrical – fast and slow axis
Lens profile

Spherical, aspherical

Arrays Quadratic, hexagonal, custom
No. lenses per array According to customer requirement
AR coating UV, VIS, NIR – front side, back side, to air, to glue

 

 

 

 

 

 

SHACK-HARTMANN ARRAYS

 

Materials Fused silica (various grades), Silicon
Lens Diameter 30 μm to 2.0 mm
F-number (F#) Typ. F/5 to F/100
Effective front focal length Typ. 1 to 100 mm
Wavefront error (Surface profile deviation, rms error) Typ. 10 to 50 nm
Array size According to customer requirement
AR coating UV, VIS, NIR – front side, back side, to air, to glue

 

 

 

 

Diffractive optics

Diffractive optical elements (DOEs) can be used instead of microlenses where size or weight in an application is a concern. They are also excellent beam homogenizers and shapers and – unlike their microlens counterparts – have no shape constraint for the illumination they produce.

We offer design advice for DOEs and options for trialing ideas before finalizing the element specifications.

  • Materials: fused silica (various grades) and silicon
  • 2 (binary) to 16 levels
  • Typ. overlay error < 70 nm
  • Minimum feature size: 500 nm to 1 μm depending on step height and/or etch depths
  • Efficiency: up to 98 %

Nipkow discs & Pinhole discs

We manufacture high quality Nipkow and pinhole discs, integral components of confocal microscopes. Our discs support the generation of high contrast, sharply focussed images and 3D reconstructions of biological and other miniature difficult-to-image structures. Our parts form the backbone of many of the world’s leading systems.

 

Additional Options

  • Delivery options – various choices depending on volume and customer requirement, including tubes, membrane boxes and tape.
  • Metrology – a standard report is provided with each delivery and additional measurements can be carried out on request.
  • Coatings & metallization – single and broadband antireflective (AR) coatings across most wavelength bands are available, as are chromium, black chromium and aluminium coatings; other coatings may be possible on request.
  • Alignment & identification marks
  • Design support – we offer advice to streamline designs for feasibility and prototyping through to volume.
  • Quantity – we manufacture on wafer level and can deliver from a few pieces to full production line volumes.

 

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