slit & pinhole
APERTURES

Spectrophotometer entrance and exit slits. Imaging and alignment applications suitable for complete UV-IR frequency range. The metal profile is such that the minimum dimension of the aperture is within a micron of one face. Aperture sizes are measured at up to 1000x magnification, and the tolerances mentioned apply to the width throughout the length.

Each slit is centered in a copper foil disc, 25 microns thick, mounted in a recessed hole in an anodized aluminum holder. 16mm diameter.

RANGE: TOLERANCE:
1-25 micron +/- 0.5 micron
26-100 micron +/- 1 micron
101-500 micron +/- 2 micron
Pattern Description Catalog Price Cart
L2 Rectangular slit 0.002mm wide x 1.0mm long S21051 258.50
L5 Rectangular slit 0.005mm wide x 1.0mm long S21052 248.50
L10 Rectangular slit 0.01mm wide x 1.5mm long S21053 223.50
L25 Rectangular slit 0.025mm wide x 1.5mm long S21054 199.50
L50 Rectangular slit 0.05mm wide x 2.0mm long S21055 199.50
L100 Rectangular slit 0.1mm wide x 2.0mm long S21056 199.50
L250 Rectangular slit 0.25mm wide x 2.0mm long S21057 199.50


Each slit is prepared in the center of a 10mm diameter copper foil, and supplied without a mount.

Pattern Description Diameter Catalog Price Cart
LW5 Rectangular slit 0.005mm wide x 3.0mm long S21058 263.50
LW10 Rectangular slit 0.01mm wide x 3.0mm long S21059 253.50
LW25 Rectangular slit 0.025mm wide x 5.0mm long S21060 253.50
LW50 Rectangular slit 0.05mm wide x 5.0mm long S21061 228.50
LW100 Rectangular slit 0.1mm wide x 7.5mm long S21062 228.50


Photoetched in chrome on optical glass. Imaging and alignment applications.

Pattern Description Diameter Catalog Price Cart
LG5 Metal Filter Slit on Glass 0.005mm wide x 10.0 mm Long S21063 358.50
LG10 Metal Filter Slit on Glass 0.01mm wide x 10.0 mm Long S21064 358.50
LG25 Metal Filter Slit on Glass 0.025mm wide x 10.0 mm Long S21065 358.50


Prepared in pure copper foil, 3mm in diameter, 25 microns thick. Blackened on one surface. Mounted in a black anodized aluminum disc. Mounted in a recessed hole in an anodized holder. 16mm in diameter. Uses:

  • Spatial Filtering
  • Controlling Diameter of Light Beams
  • Creating Point Light Sources
  • Image Analysis
Pattern Description Diameter Catalog Price Cart
C1 Circular Aperture 0.001mm S21066 233.50
C2 Circular Aperture 0.002mm S21067 228.50
C5 Circular Aperture 0.005mm S21068 258.50
C10 Circular Aperture 0.01mm S21069 188.50
C25 Circular Aperture 0.025mm S21070 168.50
C50 Circular Aperture 0.05mm S21071 168.50
C100 Circular Aperture 0.1mm S21072 163.50
C250 Circular Aperture 0.25mm S21073 163.50
C1000 Circular Aperture 1.0mm S21074 163.50

SUMMERS OPTICAL
EMS Contract Packaging

Division of EMS Acquisition Corp.

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Phone: 215-412-8380; Fax: 215-412-8450 or 215-412-8451
E-mail: [email protected]