custom double concave lens/two convex lens

Double Concave lens also called Bi-concave lens which is used to divergent light. Double-concave lens(DCV) is a singlet lens with two equal curved surfaces and negative focal length. Biconcave lens are used for light projection, image reduction and beam expansion in the optical systems. CCRQ offers many various optical components, including Double-concave lenses,Plano concave lense, Plano convex lens, double convex lens, menisucs lens and achromatic lens with material option Fused Silica, K9, Znse Sapphrie, Single Crystal Silicon,, CaF2 etc optical glass. CCRQ also provide serval AR coating including MgF2, VIS 0°,VIS-NIR or MIR, wavlength from UV,visbile or Infrared region. UV fused silica double concave lenses are ideal for laser and imaging applications and provide excellent transmission.   What are the types of concave lens?   Biconcave lens-A lens is in which both sides are concave is biconcave lens, Bi concave lenses are diverging lenses. Plano-concave lens is one side is concave…