DIC microscopy

Do you have any microscopy questions, which you are afraid to ask? This is your place.
Post Reply
Posts: 1418
Joined: Tue Dec 06, 2016 6:22 am
Location: N. California

DIC microscopy

#1 Post by PeteM » Thu Feb 01, 2018 9:11 pm

Likely a beginner's question. First time I said "DIC microscopy" out loud, and to a group with a sense of humor, it occurred to me that the industry might spell it out rather than go on as if it were every Tom, Dic, and Harry.

How's it referred to in industry or academia??

Posts: 1351
Joined: Mon Mar 02, 2015 11:55 pm

Re: DIC microscopy

#2 Post by Charles » Thu Feb 01, 2018 9:54 pm

DIC: Differential interference contrast microscopy, also known as Nomarski interference contrast.

User avatar
Crater Eddie
Posts: 1829
Joined: Wed Nov 12, 2014 4:39 pm
Location: Illinois USA

Re: DIC microscopy

#3 Post by Crater Eddie » Thu Feb 01, 2018 10:28 pm

In my head I always pronounce it Dee Eye See.
Olympus BH-2 / BHTU with Olympus E-P1 MFT camera mounted
LOMO POLAM L-213 / BIOLAM L-211 hybrid
LOMO Multiscope (Biolam)

charlie g
Posts: 1480
Joined: Mon Oct 20, 2014 7:54 pm

Re: DIC microscopy

#4 Post by charlie g » Fri Feb 02, 2018 1:07 am

I hear your (smirk!) quandary regards to: 'DIC'. As a 'babyboomer' I had trepidation with saying: 'Dick' for folks named Richard! I've adjusted to this usage of: 'dick'. But my 1964 text (early early days of biologists embracing 'DIC' microscopy...well circa 1964..the gamut of 'DIC' microscopes were termed: interference microscopes.

At formal talks, use of: "DIC microscopy" is legitimate and proper, to my sense of encountered publications in refereed journals. Charlie Guevara BTW...I still sense it crude to in public talk of: "anal personality tendancies"...this I feel is not a cultural handicap on my part...simply too graphic a choice of words...go figure!? thanks for this posting!

I'd love to purchase a sensible DIC microscope system ( I'm con-USA) for my freshwater live protist/meiofauna microscopy.
DSCN3846.JPG (134.03 KiB) Viewed 1402 times
DSCN3845.JPG (25.83 KiB) Viewed 1403 times
DSCN3851.JPG (181.94 KiB) Viewed 1403 times

User avatar
Posts: 971
Joined: Sun Nov 02, 2014 8:57 pm
Location: Sweden

Re: DIC microscopy

#5 Post by hkv » Fri Feb 02, 2018 10:13 am

Intersting point. I always say "DICK". Not D-I-C.

Posts: 3818
Joined: Fri May 15, 2015 12:15 am

Re: DIC microscopy

#6 Post by apochronaut » Fri Feb 02, 2018 1:53 pm

PZO called their version the Polarizing Interference Microscope. No mention of Nomarski. Baker , in the 1950's used the term Interference Microscope. AO used a modified version of the Baker and called it an Interference MIcroscope and then there were Interferometers.

It depends to some degree, whether the prisms employed are Wollaston Prisms or Nomarski Prisms, as to whether the term Nomarski is included , as in Nomarski DIC or sometimes D I C after Nomarski. There were patents involved in the Nomarski system, so companies like PZO, probably sought to get around the patents by making a modified version. The manual I have covering the entire PZO system (95 pages) never once mentions Nomarski nor uses the letters DIC. Reference is made to a PI microscope, though.

As an aside. There is an old long standing family name in my area. The Heads, and of course eventually, one of the offspring had to be named Richard.

Post Reply