Apertures

Stainless steel variable apertures
Variable slits with micrometer control

Description

Pinholes – Mounted

Holmarc manufactures precision pinholes for spatial filtering and other similar applications. Standard pinholes are available in either copper or stainless steel substrates.

* Custom hole size can be provided.

 

HPRA – Series

    Material    :    Copper

    25 mm outer diameter

    20 Micron thickness

    Compatible with PHC – 3 pinhole cells

Model No. Size
HPRA-3-5 5.0 μm +/- 1.0 μm
HPRA-3-10 10.0 μm +/- 1 μm
HPRA-3-15 15.0 μm +/- 1.5 μm
HPRA-3-25 20 μm +/- 2 μm
HPRA-3-50 25 μm +/- 2 μm
HPRA-3-100 30 μm +/- 2 μm
HPRA-3-200 35 μm +/- 2 μm

PINH – Series

    Material    :    Stainless Steel

    25 mm outer diameter

    20 Micron thickness

    Compatible with PHC – 3 pinhole cells

Model No. Size
PINH-5.0 5.0 μm +/- 1.0 μm
PINH-10 10.0 μm +/- 1 μm
PINH-15 15.0 μm +/- 1.5 μm
PINH-20 20 μm +/- 2 μm
PINH-25 25 μm +/- 2 μm
PINH-30 30 μm +/- 2 μm
PINH-35 35 μm +/- 2 μm

PIN – H – Series

    Material    :    Stainless Steel

    9.35 mm outer diameter

    20 Micron thickness

    Compatible mounts available

Model No. Siz e
PIN-H-025 0.25 mm
PIN-H-050 0.50 mm
PIN-H-075 0.75 mm
PIN-H-100 1.00 mm
PIN-H-200 2.00 mm
PIN-H-300 3.00 mm
Pinhole Cells

Model No : PHC – 3

These pinhole cells are suitable for 25 mm dia. mounted pinholes. It can be used with rigid, kinematic, XY, XYZ and 5axis stages. The cell comes with standard RMS thread for fixing to various mounts.

    RMS external thread

    Material    :    Aluminium

    Finish    :    Black anodized

Round Apertures – AS Series

These apertures are made in aluminium substrate and finished by black anodizing. The aperture can be mounted to our standard RLM-25 lens mount.

    Material    :    aluminium

    Finish    :    black anodized

    25 mm outer diameter

    0.5 mm thickness

    Compatible with RLM – 25 mount

Model No. Diameter D
AS – 0.5 0.5 mm
AS – 1 1 mm
AS – 2 2 mm
AS – 3 3 mm
AS – 4 4 mm
AS – 5 5 mm
AS – 6 6 mm
AS – 7 7 mm
AS – 8 8 mm
AS – 9 9 mm
AS – 10 10 mm

Compatible mounts are available for other standard / custom pinholes

Variable Aperture
Std Variable Round Aperture – SSID Series

Holmarc manufactures variable aperture in four different sizes. These are precision devices which offer near perfect circular apertures.

    Made of brass and aluminium

    Leaves made of spring steel

    Compatible with MSSID Series mounts

    Black anodized finish for casing

    Black zinc finish for leaves

Model No. Max Apreture Min Apreture D ( mm ) Thickness ( mm )
SSID-12 12 mm 0.8 mm 19.8 5.0
SSID-25 25 mm 0.8 mm 37 5.5
SSID-37 37 mm 1.2 mm 53 6.0
SSID-50 50 mm 2 mm 70 7.5
Std Variable Round Aperture Mount – MSSID Series

These mounts are specially suited for Holmarc’s variable apertures. There is M6 tapped hole at the bottom for post mounting.

    Aluminium alloy construction

    M6 mounting hole

    Black anodized finish

    Compatible with SSID series apertures

Model No. D ( mm ) t ( mm ) d ( mm ) Suitable Aperture Model
MSSID-12 19.8 8.0 35.8 SSID-12
MSSID-25 37 8.5 53.0 SSID-25
MSSID-37 53 9.0 69.0 SSID-37
MSSID-50 70 10.5 86.0 SSID-50

Stainless steel variable apertures and compatible mounts are available

Std Variable Slit – SVRA Series

Variable slits manufactured by Holmarc has micrometer drive which shows slit opening directly on the graduations.

Model No.
SVRA
    Slit has 15mm length

    0-2 mm opening

    Opens equally from center

    Polished steel blades

    M6 mounting hole

    Post mountable

    Aluminum alloy construction

    Black anodized finish

Spatial Filter Mount – Laser Fiber Coupler SFAS Series

All the translation movements (Z axis stage as well as two X-Y positioners) are provided with preloaded ball bearing guide ways for play less and stick-slip free positioning.

Model No.
SFAS
SFAS – VC

Note: Pinholes and microscope objectives are sold separately

Laser Fiber Coupler

All the translation movements (Z axis stage as well as two X-Y positioners) are provided with preloaded ball bearing guide ways for play less and stick-slip free positioning.

Model No Connector Type
LFC – 1 Fiber Chuck (FC1)
LFC – 1 FC FC, Connector
    3 mm XY adjustment

    10 mm linear movement

    Fiber Chuck / FC Connector Compatible

    Compatible with std microscope objective

    M6 mounting hole

    Post / base mountable

    Black anodized finish