FILTER PRODUCTS

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Customized Shape and Pattern Competitive Price: 5-10USD/PC
  • Slit Width: 10-1000 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Custom Shapes & Patterns COMPETITIVE PRICE: 5-20USD/PC
  • Slit Width: 10-1000 um
  • Slit Length: 3.0 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5-25 mm
  • Shape: Can be Round, square, rectangular etc. 
  • ...
Data Sheet
Air Slit
Walthy Precision Co., Ltd.
We can customize slits or Pinholes according to your requirements. We can fabricate from different substrate materials,diameter,different slit width and length, and different slits configuration.Shape of the substrates can be customized too.
  • Slit Width: 20 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
  • Material: 304 stainless steel 
  • ...
Data Sheet
Blacked Air Slits
Walthy Precision Co., Ltd.
Custom Patterns for Optical, Laser, Astronomy and other Scientific Applications
  • Slit Width: 50 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
  • Finish: Can be blacked or not 
  • ...
Data Sheet
We can customize slits or Pinholes according to your requirements. We can fabricate from different substrate materials,diameter,different slit width and length, and different slits configuration.Shape of the substrates can be customized too.  
  • Slit Width: 10-1000 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
  • Typical Material: 304 Stainless Steel 
  • ...
Data Sheet
Custom Precision Air Slit
Walthy Precision Co., Ltd.
Custom Patterns for Optical, Laser, Astronomy and other Scientific Applications
  • Slit Width: 10-1000 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: customized mm
  • Typical Material: 304 Stainless Steel 
  • ...
Data Sheet
Custom Air slit
Walthy Precision Co., Ltd.
We can customize slits according to your requirements. We can fabricate from different substrate materials,diameter,different slit width and length, and different slits configuration. Shape of the substrates can be customized too.
  • Slit Width: 10-1000 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
  • Material: Alumina Ceramic,Gold,Copper,Tungsten,Molybdenumd 
  • ...
Data Sheet
Blacked Precision Air Slit
Walthy Precision Co., Ltd.
We can customize slits according to your requirements. We can fabricate from different substrate materials,diameter,different slit width and length, and different slits configuration.Shape of the substrates can be customized too.
  • Slit Width: 50 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
  • Material: 304 stainless steel  
  • ...
Data Sheet
Spatial Filter Fixed Slits
National Aperture
Spatial Filter Fixed Slits.
  • Slit Width: 5 um
  • Slit Length: 3 mm
  • Mounting: Mounted
  • Part Diameter: 9.53 mm
Data Sheet
High Power Precision Air Slits
National Aperture
Gold plated one side, reverse side flat poly black up to 98% emissivity in visible and near infrared.
  • Slit Width: -- um
  • Slit Length: -- mm
  • Mounting: Unmounted
  • Part Diameter: 9.53 mm
Data Sheet
Standard Precision Air Slit
National Aperture
Standard Precision Air Slit.
  • Slit Width: 10 um
  • Slit Length: 5 mm
  • Mounting: Unmounted
  • Part Diameter: 9.53 mm
  • Slit Width Range: 1um and up 
Data Sheet
Copper Air Slit
Lenox Laser
High energy and high power copper slits are intended to be used in the optical transfer assembly of a system using a powerful laser as a source. For Q-Switching applications, consider a highly reflective slit disc surface and a very high melting temperature disc material. This material is able to withstand high energies from IR, Co2, ...
  • Slit Width: 5 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Diamond Air Slit
Lenox Laser
High energy and high power diamond slits are intended to be used in the optical transfer assembly of a system using a powerful laser as a source. For Q-Switching applications, consider a highly reflective slit disc surface and a very high melting temperature disc material. We will custom fabricate aperture mounts to comply with the ...
  • Slit Width: 5 um
  • Slit Length: 1 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Tungsten Air Slit
Lenox Laser
High energy and high power tungsten slits are intended to be used in the optical transfer assembly of a system using a powerful laser as a source. For Q-Switching applications, consider a highly reflective slit disc surface and a very high melting temperature disc material. Tungsten slits have X-rays, electron microscopes, and ...
  • Slit Width: 5 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Molybdenum Air Slit
Lenox Laser
High energy and high power molybdenum slits are intended to be used in the optical transfer assembly of a system using a powerful laser as a source. For Q-Switching applications, consider a highly reflective slit disc surface and a very high melting temperature disc material. We will custom fabricate aperture mounts to comply with ...
  • Slit Width: 5 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Young’s Double Slit
Lenox Laser
Named for Thomas Young’s classic proof of the wave theory of light in 1803. While Young’s original experiment used sunlight and calculated the average wavelength to be 550 nm, today using monochromatic and coherent light one can calculate wavelength with the following formula: In which, λ is the wavelength of the ...
  • Slit Width: 3 um
  • Slit Length: 0.09 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Cross Aperture
Lenox Laser
The cross aperture may be used for measuring the modulation transfer function (MTF) of a detector array.
  • Slit Width: 2000 um
  • Slit Length: 25 mm
  • Mounting: Unmounted
  • Part Diameter: 50 mm
Data Sheet
Blackened Air Slit
Lenox Laser
These blackened precision air slits may be used for optical applications requiring high resolution and low backscatter (stray reflected photons) for the input or output surfaces of the disc.
  • Slit Width: 100 um
  • Slit Length: 0.2 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Glass Air Slit
Lenox Laser
Our glass air slits are available only from the #1 coverslip material Thermanox. The optical properties closely resemble glass without some of the negative glass characteristics. The material is almost unbreakable, has no micro cracking and a refractive index of 1.64. The glass typically used has an index of 1.52. For further ...
  • Slit Width: 100 um
  • Slit Length: 3 mm
  • Mounting: Unmounted
  • Part Diameter: 9.5 mm
Data Sheet
Precision Optical Slit
Lenox Laser
Lenox Laser precision chrome-on-glass slits are used in a variety of optical instruments and systems, including spectrophotometers, line spread functions, masking and other applications
  • Slit Width: 1 um
  • Slit Length: 1.5 mm
  • Mounting: Unmounted
  • Part Diameter: 25.4 mm
Data Sheet