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Experiment Education Kits
LEOK-1 Optics Experiments-Basic
LEOK-2 Holography & Interferometry
LEOK-3 Optics Experiments-Enhanced
LEOK-4 Geometrical Optics Kit
LEOK-5 Aberration & Fourier Optics
LEOK-6 Optics Experiments-Extended
LEOK-10 Holography Kit-Basic
LEOK-11 Holography Kit-Complete
LEOK-20 Fiber Optics Kit-Basic
LEOK-21 Fiber Optics Kit-Complete
LEOK-22 Fiber Optics Kit-Enhanced
LEOK-30 Newton's Ring Apparatus
LEOK-40 Modern Optics Experiments
LEOK-41 White-Light Image Processing
LEOK-42 Fourier Optics Experiments
LEOK-43 Information Optics Kit
LEOK-44 Image Addition/Subtraction
LEOK-46 Image Differentiation
LEOK-48 Image Convolution
LEOK-50 Experiments with LC-SLM
LEOK-64 Room Light Holography


Image-plane hologram recording
L: laser	K: exposure shutter
BS: beam splitter	M₁/M₂: mirror
L₁/L₂: expander	L₃: imaging lens
O: object	H: hologram


One-step rainbow hologram recording
L: laser	K: exposure shutter
BS: beam splitter	M: mirror
L₁/L₃: expander	L₂/L₄: collimator
L₅: imaging lens	O: object
G: slit	H: hologram


Two-step rainbow hologram recording
L: laser	K: exposure shutter
M₁/M₂/M₃: mirror	BS: beam splitter
L₁/L₂: expander	L₃: collimator
L₄: imaging lens	G: slit
H₁: Fresnel hologram
H₂: holographic plate

LEOK-64

Holography Under Room Light

Features

Room-light operation

White-light reconstruction

Photopolymer plate for easy and fast developing

Rainbow hologram

40-mW semiconductor laser as light source

Digital display with manual or remote controlled operation

Detailed instruction manual

Introduction

Holography under room light is referred to as hologram recording and developing under room light using a photopolymer plate. By contrast, a conventional silver salt plate must be operated (exposing, developing, and fixing) in a darkroom. The advantage of room-light holography with white-light reconstruction is the convenience of operation with a high diffraction efficiency, so that the image of the object can be reconstructed very well.

This kit can be used to conduct the following experiments:

1. Fresnel (transmissive) holography
2. Reflective holography
3. Image plane holography
4. Two-step rainbow holography
5. One-step rainbow holography

Specifications

Semiconductor Laser	Center Wavelength: 650 nm
	Bandwidth < 0.2 nm
	Power: 40 mW
Exposure Shutter and Timer	0.1 ~ 999.9 s
	Mode: B-Gate, T-Gate, Timing, and Open
	Operation: Manual Control
Continuous Ratio Beam Splitter	T/R Ratio Continuously Adjustable
Fixed Ratio Beam Splitter	5:5 and 7:3
Holographic Plate	Red Sensitive Photopolymer Plate

Part List

Description	Qty
Semiconductor Laser (LLL-1)	1
Semiconductor Laser Holder (LEPO-20)	1
Exposure Shutter and Timer (LEPO-30)	1
Fixed Ratio Beam Splitter	5:5 & 7:3 (1 each)
Photopolymer Holographic Plate	1 box (10 sheets, 90 mm x 240 mm per sheet)
Plate Holder (LEPO-13 & LEPO-13B)	1 each
Tri-Color Safety Lamp	1
Lens	f=4.5 mm, 6.2 mm (1 each) and 150 mm (2 pcs)
Plane Mirror	3
Universal Base (LEPO-4)	10
Continuously Variable Beam Splitter	1
Lens Holder (LEPO-9)	2
Two-Axis Adjustable Holder (LEPO-8)	6
Sample Stage (LEPO-21)	1
Small Object	1
Electric Blower	1
Ground Glass (LEPO-45 or LEPO-60)	1
Small White Screen	1
Height Adjustable Holder (LEPO-3)	2
Two-Axis Translation Base (LEPO-2)	1
Illuminometer	1
Slit Screen	1

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