Skip to Main Content
A+  | A  | A- 
DAE_RRCAT_INDORE Government of India | Department of Atomic Energy DAE_RRCAT_INDORE
Raja Ramanna Centre for Advanced Technology

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


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

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

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

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

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

7. Photo-refractive element:
DAE_RRCAT_INDORE Photo-refractive element DAE_RRCAT_INDORE Measurement
DAE_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. DAE_RRCAT_INDORE Light induced change in the refractive index of the SLN:Fe,Zn crystal

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

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

10. Graphite supported large CA electrode:
DAE_RRCAT_INDORE Graphite supported large CA electrode
Best viewed in 1024x768 resolution