CSIR-Central Glass & Ceramic Research Institute

Divisional Facilities

Humidity controlled laboratory for special glass melting

Salient features:

Maximum melting Temperature: 1500^oC
Furnace Type: Raising hearth for glass melting and box type muffle furnace for annealing and heat treatment.
Control: PID (Eurotherm)
Working Humidity (minimum): 20 % RH

Glass melting furnaces

Salient features:

Maximum Temperature: 1700^oC
Furnace Type: Raising hearth for glass melting and box type muffle furnace for annealing and heat treatment.
Control: PID (Eurotherm)

High Temperature Observation Furnace
(Make: M/s Glass Service Inc., Czech Republic; Model: GPI system-XP/D)

Salient features:

Furnace Tempmax. : 1600^oC
High temp observation: Image analyser with digital camera
Capabilities : can capture the complete course of batch melting and refining process
Behavior of single bubble during glass melting
Bubble growth and shrinkage
The glass forming process
Reboiling temperature, the dissolution of solid bodies in glass melt
Measurement of surface tension

Microwave furnace 1600^oC
(M/S SAIREM, France)

Salient features:
Processing chamber: 304 stainless steel, cavity size of 427x427x488 mm
Temperature measurement: Infrared Pyrometer (350-1600^oC)

MW output power: 0.6 to 6 kW, multimode microwave furnace
Frequency: 2.45 GHz
Atmosphere of operation: Air/ inert/ reducing ( 5% H₂ with N₂)

Rocking Furnace
(Make: Deltech, USA)

Salient features:

Max temperature: 1000^oC
Rocking about 45 degree in both ways
Equipped with Auto quenching mechanism

Planar Magnetron DC Sputtering Unit
(Make: Hind High Vaccum Co.Pvt.Ltd, Bangalore, India; Model: 12" MSPT)

Salient features:

High Vaccum Coating Unit for metal Contacts.

Interferometer
(Make: M/s Zygo corporation, USA; Model: GPI system-XP/D)

Salient features:

Measurement : Flatness and bulk optic homogeneity
Test beam : 4 inch (102 mm) to 6 inch (152 mm)
Accuracy : up to 10-6 homogeneity
Resolution : better than l/8,000
Samples : size -10 mm -6" flats/bulk

Polarimeter
(Make: M/s Strainoptics Inc., USA; Model: DIAS-1600)

Salient features:

Equipped with : Digital image analysis system with software
Measurement : Residual stress or Retardation
Range : -140 to 140 nm/mm in H.S mode || 0 to 285 nm/mm in STD mode
Viewing area : 75 mm
Samples : Transparent solids (transparency above 50 %)

Prism coupler
(Make: M/s Metricon Corporation, USA; Model: 2010/M)

Salient features:

Equipped with five lasers : 473,532,633,1064 and 1550nm (as light sources)
RI Measurement range : 1 - 3.1
Accuracy : 0.0001
Capable of measuring waveguide loss for 633 - 1600 nm
Samples : solids (thin films, bulk plates)

UV-Vis-NIR Fluorescence Spectrophotometer
(Make: M/s Photon Technology International; Model: custom configuration)

Salient features:

Wavelength range - Ex : 200-1000nm || Em : 200-2540nm
Lifetime range : in microseconds to milliseconds
Samples : solids (plates, powders etc.) and liquids

Raman Spectrometer
(Make: HORIBA Jobin Yvon, France; Model: Lab Ram HR 800 EV)

Salient features:

Range: 50 - 3000 cm^-1
Excitation source: 785 nm diode laser and 480 nm Argon ion laser
Equipped with LINKAM temperature controller (-150^oC to 600^oC)
Samples: Bulk and Powders

UV-Vis-NIR Spectrometer
(Make: Perkin Elmer, USA; Model: LAMDA 950)

Salient features:

Wavelength range: 200 to 3200 nm
Spectral mode: Absorbance, Transmittance and Reflectance (Specular and Diffuse)
Equipped with 150 mm Integrating Sphere for diffuse Reflectance (250 to 2500 nm)
Samples: Solids, Powders, films and Liquids

FTIR Spectrometer
(Make: Perkin Elmer, USA; Model: Frontier FT-IR/FIR Spectrometer)