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PA/FSL
Slit Width
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Mounted metal foil with a pinhole or slit 400μm or less. Used in spatial filters, laser diffraction experiments and microscopic magnification correction.

◦A precision etching process creates holes with high circularity and slits with high parallelism.
◦For YAG lasers (1064nm) and CO2 lasers (10.6μm), pinholes made of high copper coated with gold should be used.
◦Pinholes and slits are pre-mounted in aluminum frames for ease of handling and mounting.

Related product
Products
Technical Data
Documents/Downloads
Guide

▶Contact our Sales Division to purchase unmounted pinholes or slits.
▶When an aperture φ1mm or above is required, use an iris diaphragm (IH).
W4039
▶Custom pinholes can be made to order.

Attention

▶Dust can obstruct the light through a pinhole. Use and optic bulb blower to remove the dust. Canned air may break tear the foil.
▶Take care when handling unmounted pinholes. The foil is thin and fragile.
▶The holes and slits are only visible under high magnification.
▶For fixed slits, when the number that represents the width of the slit is at the bottom, the long side of the slit is oriented in the horizontal direction.
▶Pinholes can be damaged if the laser power is higher than the laser damage threshold.

Common Specifications
Pinhole MaterialNickel
Foil Thickness20±5μm
Pinhole FinishNone
Frame MaterialAluminum
Frame FinishBlack Anodized
Outline Drawing
■PA/FSL

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Part Number

Catalog PDF

dxf

STP

IGS

SAT

FSL-5

FSL-10

FSL-25

FSL-50

FSL-100

FSL-150

FSL-200

Spec
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Part Number
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    JP Yen Stock Qty
FSL-5
FSL-10
FSL-25
FSL-50
FSL-100
FSL-150
FSL-200

5±2μm

3mm

0.001kg

10±2μm

3mm

0.001kg

25±3μm

3mm

0.001kg

50±4μm

3mm

0.001kg

100±5μm

3mm

0.001kg

150±5μm

3mm

0.001kg

200±6μm

3mm

0.001kg

RoHS  

¥25,000

LOW
RoHS  

¥25,000

IN STOCK
RoHS  

¥25,000

IN STOCK
RoHS  

¥22,000

LOW
RoHS  

¥22,000

LOW
RoHS  

¥22,000

IN STOCK
RoHS  

¥22,000

IN STOCK