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RRCAT_Indore Government of India | Department of Atomic Energy
Raja Ramanna Centre for Advanced Technology 		RRCAT_Indore

Devices developed at L&FMD

  • Several SHG elements and Electro-optic modulators have been fabricated and tested.
  • KDP Type-I SHG element has been fabricated for auto-correlation application.
  • SHG elements fabricated from KTP exhibit conversion efficiency of 60% (without accounting the Fresnel loss).
  • Lasing (1064 nm) has been demonstrated using Nd:YVO4 and Nd:GdVO4 single crystal.
  • Pyroelectricity based laser energy meter has been fabricated using lithium tantalate crystals.
  • IR windows (2 and 4 mm thick) have been fabricated using NaCl crystals.
  • Carbon aerogel (CA) Supercapacitor cell prototype.
  • Graphite supported large CA electrode



1. Electro-optic (EO) modulator:
RRCAT_Indore KDP EO modulator element;
Size: 90 x 82 x 19 mm3;
Half wave voltage: 9.1 kV (632 nm) 		RRCAT_Indore DKDP EO modulator; Aperture: 20 mm; Half wave voltage: 3.9 kV (632 nm)
RRCAT_Indore CLN EO element RRCAT_Indore Measurement set up


2. Type-II Second harmonic elements and cell:
RRCAT_Indore KDP Type-II SHG cells; Crystal: KDP;
Aperture: 50 mm Length: 25 mm		 RRCAT_Indore KDP SHG type-II element; Size: 55 x 55 x 30 mm3
RRCAT_Indore KTP SHG element RRCAT_Indore Demonstration of SHG

3. KDP Type-I SHG element for auto-correlator to measure ultra-short laser pulse width:
RRCAT_Indore KDP Type-I SHG element RRCAT_Indore Auto-correlator developed by Laser Technology Division, RRCAT using the element

4. Laser elements:
RRCAT_Indore Laser elements (Nd:YVO4 and Nd:GdVO4) RRCAT_Indore Er doped YVO4 laser element
RRCAT_Indore Laser output power at 1064 nm for Nd doped YVO4 RRCAT_Indore Laser output power at 1064 nm for Nd doped GdVO4
RRCAT_Indore Measurement RRCAT_Indore Beam profile RRCAT_Indore Beam profile

5. IR window (NaCl):
RRCAT_Indore Fabricated NaCl IR window; dia: 20 mm RRCAT_Indore comparative transmission characteristic of the fabricated & commercially procured window

6. Laser energy meter:
RRCAT_Indore Prototype laser energy sensors using in-house grown LT single crystals RRCAT_Indore Signal response(V) vs Laser energy (mJ)

7. Photo-refractive element:
RRCAT_Indore Photo-refractive element RRCAT_Indore Measurement
RRCAT_Indore Normalized square root of diffraction efficiency of SLN:Fe,Zn crystal probed with a weak HeNe laser beam measured at different power densities. RRCAT_Indore Light induced change in the refractive index of the SLN:Fe,Zn crystal

8. Scintillator:
RRCAT_Indore Eu:SBO element RRCAT_Indore X-ray induced light emission

9. Carbon aerogel (CA) Supercapacitor cell:
RRCAT_Indore Super capacitor cell prototype RRCAT_Indore CV plot of CA & RuO2-CA

10. Graphite supported large CA electrode:
RRCAT_Indore Graphite supported large CA electrode
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