Chapter 15 : Equipment list
Equipment spesifications
- Optical table :
- Technical Manufacturing Corporation (TMC)
- Table top dimension : 1220 x 1830 mm, Thickness 200 mm
- Hole pattern : 25 mm centres - M6
- Load capacity : 1800 kg
- Height : 900mm
- Vibration isolation system : TMC`s Gimbal Piston isolator,
attenuates horizontal and vertical inputs equally
- Table pressure : Nitrogen , 5 bar
Optical
- Breadboard :
- Melles Griot
- Table dimension : 300 x 600 mm, Thickness 60 mm
- Hole pattern : 25 mm centres - M6
- Weight : 25 kg
- Standoff posts :
- Workshop, Institute of physics :
Feet for optical breadboard
- Height : 310 and 370 mm
- Diameter : 50 mm
- Material : Steel
- Colour : Black
- Table extension :
- Workshop, Institute of physics
- Dimension : 480 x 200 mm, Thickness 10 mm
- Material : Steel
- Colour : Black
- Laser :
- Melles Griot : High power red Helium Neon, cylindrical
laser head
- Wavelength : 632.8 nm output Wavelength
- Power : Minimum CW power output at 632.8 nm is 17 mW
Maximum measured CW power is 24 mW
- Beam diameter : 1 mm
- Beam divergence : 0.81
- Longitudinal mode spacing : 257 Mhz
- Polarisation ratio : 500:1
- Weight : 0.80 kg
- Static Alignment : Centred to outer cylinder within 0.25 mm
and
1.0 mrad
- Angular drift : < 0.03 mrad after 15 minutes
- Noise amplitude : < 0.5 % (30 Hz - 30 Mhz rms) typical
- Starting voltage : 10 kV (DC)
- Power Supply:
- Melles Griot : Laboratory laser power supplies
for cylindrical HeNe laser heads
- Input voltage : 115 / 230 VAC
10
%
- Input frequency : 50-60 Hz
- Input power (max) : 40 W
- Output current : 7 mA
- Operating voltage : 2500- 4100 VDC
- Starting voltage : > 11 kVDC
- Time delay : 3.5 - 7 seconds
- Lenses :
- Melles Griot : Symmetric-convex glass lenses
- Diameter : 100 mm
- Focal length : 175 mm
- Design wavelength : 546.1 nm
- Design index : 1.5187
- Square mirrors :
- Melles Griot : Square flat mirrors
- Flatness :
/10 at 546 nm over central
90 % of aperture
- Surface quality : Low expansion borosilicate glass (LEBG) :
60-40 scratch and dig
- Dimension : square 25 mm
- Round mirrors :
- Melles Griot : Round flat mirrors
- Flatness :
/10 at 546 nm over central
90 % of aperture
- Surface quality : Low expansion borosilicate glass (LEBG) :
60- 40 scratch and dig
- Dimension : 25 mm diameter
- Mirror :
- Mirror for expanded reference beam
- Dimension : 100 x 127 mm
- Spatial filters :
- Ealing Electro optics : spatial filter
- The filter is a precision spatial filter with highly stabile
unit for tables.
- Pinhole :
- Ealing Electro optics : pinholes
- The hole is centred in a 3mm diameter disc of unmounted
nickel shim stock 40 microns thick.
- Size : 10m and 25m.
Microscope
- objectives :
- Melles Griot : Achromatic microscope objectives
- Power N.A : 63 x 0.85 ( N.A
n sin
=
/ 2f )
- Working distance : 0.14 mm
- Focal length : 3.1 mm
- Coating : MgF
antireflection coating
- Spindler & Hoyer : Microscope objectives
- Power N.A : 40 x 0.65 ( N.A
n
sin
=
/ 2f )
- Working distance : 0.67 mm
- Focal length : 4.68 mm
- Coating : antireflection coating
Holders for optical
- equipment's :
- Spindler & Hoyer : Adjustable mounts
for mirrors
- Newport : Filmplate holder
- Melles Griot : Adjustable lens holders
- Melles Griot : Magnetic holders
- Melles Griot : Adjustable mirror assemblies
and precision beamsteerers
- Melles Griot : Different types of post holders
- Beamsplitter :
- Neutral beamsplitter
- Shutter :
- Electrical exposure shutter, directed by the
computer
- Half wave plate :
- The half wave plate is used to change
the direction of polarisation
- Polarizator :
- Edmund Scientific : Polarizator with extremely
good colour reproducibility
- Colour : grey
- UV absorption : > 99 %
- Average extinction (crossed) : 0.04 %
- Transmission : 38 %
- Dimensions : 300 x 350 mm, Thickness : 0.4 mm
- Ground Glass :
- The ground glass are spreading the light
from the LCD display
- Computer :
- IBM PC : 433 DX
- Microprossesor : 486 DX
- RAM : 16 MB
- Display :
- ASK : Impact 256
- Size : 310 x 310 x 40 mm
- Weight : 2200 grams
- Power : -5, -12, 5 V (Universal)
- LCD cell : Double scan CSTN
- Colour resolution : 256 thousand
- Response time : 130 ms
- Contrast ratio : 18 :1
- Pixel resolution : 640 x 480 x 3
- Resolution : 640 x 480 (VGA Mode)
: 800 x 600 (SVGA Mode)
- Video frequency : 25 - 35 Mhz
- Horizontal sync : 15 - 40 kHz
- Vertical sync : 60 - 76 Hz (VGA)
: 56 - 60 Hz (SVGA)
- Software :
- Windows 3.0
- Arip Control : Controls the Dac pictures to the LCD screen,
and conduct the 3D printer and the exposure
- Pico Log : Data logging software
- Lotus 1-2-3, 4.0
- Word 6.0
- Symphony
- AutoCAD release 13
- Corel
- Visio 4.0
- Printer :
- Moving the Holographic film plate to the right
position, an keep it fixed under the exposure.
- Film :
- Holographic film fro AGFA Gevart Holotest.
- Transmission and rainbow holograms : 10 E 75
- Reflection holograms : 8 E 75 HD
- Photometer :
- Metrologic
- Laser power meter
- Power range 0.01W to 20 mW.
