quotation for faraday effect , electro optic effect . - complete set up on aluminum profile optical bench with red diode laser and high verdet constant rod and with polarizer/ analyzer/solenoid/ power supply and detector along with digital read out unit , complete set up on optical bread board 60 mm thick with red diode laser with polarizer/analyzer /mounted electro-optic crystal/ high voltage power supply and detector along with digital read out unit to find half wave voltage of crystal.