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Holographic Lab

Model: HO-ED-H-02

Holmarc's Holography Lab (Model: HO-ED-H-02) is developed for recording holograms in academic and research institutions. The equipment includes, vibration isolated table, opto-mechanical modules, optical components, sample silver halide plates, processing chemicals etc. All components and modules used in this kit are of industrial quality and reliability. By changing the laser source and recording plates, the equipment can be used for commercial hologram recording as well. In depth training in hologram making is given for all our customers free of cost at our holographic laboratory with either He- Cd or He-Ne lasers

Holography is known as “lens less photography” in which an image is captured not as an image focused on a film, but as an interference pattern at the film. The recorded holographic image has both phases and amplitude information where as a photographic image has only amplitude information.

A coherent He-Ne laser (632.8nm) is used as the light source. A variable beam splitter splits the laser beam into two. One of the beams illuminates the object and the scattered light from the object illuminate the holographic plate while the second beam directly illuminates the holographic plate. As the path length of both beams are equal, interference fringes will form at the holographic plate and will get recorded. The recorded plate is then chemically developed by washing in developing solution. The developed plate, under proper illumination, produce a three dimensional image of the object.



Experiment Examples

    Recording of Diffraction Gratings


    Recording and reconstruction of Transmission Holograms


    Recording and reconstruction of Reflection Holograms


Transmission Holograms

A transmission hologram is one where the object and reference beams are incident on the photosensitive plates / films from the same side. A recorded transmission hologram can only be reconstructed using the same light source which is used for recording.

Reflection Holograms

A reflection hologram is one where the object and reference beams are incident on the plates from opposite sides of the plate. The reconstructed object is then viewed by white light from the same side of the plate where the white light is incident.

Holographic Transmission Gratings

A holographic transmission grating is one where two reference beams are incident on the plates from the same side. The resulting straight line interference fringes will get recorded by the plate. When a white light passes through the transmission grating, it will split the Grating white light into its component spectrum.

Related Topics

    Holography

    Transmission Holograms

    Reflection Holograms

    Holographic Transmission Gratings

Scope of Supply


    Optical Honeycomb Tabletop with Pneumatic Isolated Support

Model No: ED-H-02-OTPS
Material
:
Stainless Steel
Dimensions
:
1800 x 1200 x 200 mm
Quantity
:
1 no.
Optical Honeycomb Tabletop with Pneumatic Isolated Support

    Beam Steering device with Magnetic Base

Model No: ED-H-02-BSMB
Material
:
Black anodized Aluminium alloy
Adjustments
:
Using 80 tpi lead screws
Adjustment Range
:
+/-4 degrees
Quantity
:
1 no.
Beam Steering device with Magnetic Base

    Mirror Mount with Magnetic Base - 25

Model No: ED-H-02-MMB25
Material
:
Black anodized Aluminium alloy
Diameter
:
25 mm
Degrees of freedom
:
2 degrees
Quantity
:
3 Nos.
Mirror Mount with Magnetic Base - 25

    Mirror Mount with Magnetic Base - 50

Model No: ED-H-02-MMB50
Material
:
Black anodized Aluminium alloy
Diameter
:
50 mm
Degrees of freedom
:
2 degrees
Quantity
:
3 Nos.
Mirror Mount with Magnetic Base - 50

    Plate Holder with Magnetic Base

Model No: ED-H-02-PHMB
Material
:
Black anodized Aluminium alloy
Quantity
:
1 no.
Plate Holder with Magnetic Base

    Spatial Filter assembly with Magnetic Base

Model No: ED-H-02-SFMB
Microscope Objective
:
20 X
Pinholes
:
15 microns
Quantity
:
3 Sets
Spatial Filter assembly with Magnetic Base

    Variable Beam splitter Mount with Magnetic Base

Model No: ED-H-02-VBMB
Diameter
:
75 mm
Thickness
:
3 mm
Quantity
:
1 no.
Variable Beam splitter Mount with Magnetic Base

    Object Holder with Magnetic Base

Model No: ED-H-02-OHMB
Material
:
Black anodized Aluminium alloy
Quantity
:
1 no.
Object Holder with Magnetic Base

    Laser Clamp

Model No: ED-H-02-LC
Material
:
Black anodized Aluminium alloy
Quantity
:
1 set
Laser Clamp

    Mirror - 25

Model No: ED-H-02-M25
Diameter
:
25 mm
Thickness
:
6 mm
Material
:
Borofloat
Coating
:
Protected Aluminium
Quantity
:
5 Nos.
Mirror - 25

    Mirror - 50

Model No: ED-H-02-M50
Diameter
:
50 mm
Thickness
:
6 mm
Material
:
Borofloat
Coating
:
Protected Aluminium
Quantity
:
2 Nos.
Mirror - 50

    Variable Beam Splitter

Model No: ED-INT-15-GP
Diameter
:
75 mm
Thickness
:
3 mm
R / T ratio
:
Continuously variable from 0 - 90%
Material
:
N - BK7
Coating
:
Aluminium
Quantity
:
1 no.
Variable Beam Splitter

    Helium- Neon Laser (Red)

Model No: ED-H-02-HNLR
Wave length
:
632.8nm
Optical power
:
5 mW
Polarization
:
Linear
Quantity
:
1 no.
Helium- Neon Laser (Red)

    Accessories

Holography Plates (PFG-01) 60 Nos.
Screens 4 Nos.
Sample Objects 2 Nos.
Plastic Trays 3 Nos.
Bevel Protractor 1 No.
Analog Stop watch 1 No.
Developer Chemical 1 Set
User Manual

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