Benjamin Samuel Goldschmidt

11 Questions 18 Answers 0 Followers

Questions related from Benjamin Samuel Goldschmidt

What is the least expensive method to block light within 33 picoseconds?

I'm doing a very strange photoacoustic experiment that requires that I block a laser beam (or any light source for that matter) to a target such that the light's fall time (90% to 10% of incident...

01 January 2018 6,248 2 View

How can I permanently adhere 3D printed PLA to glass microscope slides?

I'm trying to make some 3D printed microfluidic chambers on glass slides by using fused deposition modeling and printing directly on the glass. The problem of course is that due to differences in...

01 January 2018 7,219 10 View

What are the best optically transparent high damage threshold polymers that can be used in photoacoustic experiments?

I'm looking for a polymer (or even a type of tape) that can be used with high energy lasers in photoacoustic experiments. The material must be able to repeatedly be exposed to 500 mJ/cm^2 from a...

11 November 2017 4,849 7 View

How do I eliminate bubbles in acoustic coupling?

This might sound like a simple/stupid question, but working in photoacoustics often requires substantial work in the form of choosing how to acoustically couple my acoustic sensor to my sample of...

10 October 2017 2,474 1 View

Has anyone heard of the term "coherence of dilation" before?

I saw this phrase in a reviewed article with regard to an optical setup.Based upon the context clues it either has something to do with heating, statistics, or optics, but I'm more or less at a...

02 February 2015 299 2 View

Where can I buy a decent set of prepared microscopic slides with human tissues?

I'm trying to instruct students (informally) on using a microscope/basic histological techniques/basic identification of disease states in humans.I've found quite a few prepared microscopic slides...

01 January 2015 3,729 9 View

What is the best system for transferring cells from one place to another using a micromanipulator setup?

I'm looking for a decent system to transfer cancer cells (specifically HS936 cell line melanoma) from one dish to another using a micromanipulator setup.In the past I have used this...

12 December 2014 2,591 1 View

How do I clean Cargille type A immersion oil from a NBK-7 glass slide coated in a 200 nm MgF2 film?

Solvents for the immersion oil are carbon tetrachloride, ethyl ether, Freon TF, Heptane, Methylene Chloride, Naptha, Turpentine, Xylene, and toluene.What is the best of these to clean the surface?...

09 September 2014 3,741 2 View

What is the strangest discovery you have ever made in the laboratory? (You don't have to have published on it)

I'm curious as to what the strangest/most unique discoveries people have had over the years. The discovery doesn't necessarily have to have been published either. It can just be something strange...

04 April 2014 9,830 3 View

How do I control for temperature when doing a very sensitive photoacoustic experiment?

I am creating a new type of photoacoustic measurement device, but I realized through doing said experiment that I need to correct for swings in temperature (for the Grunesian coefficient) due to...

01 January 2014 7,388 8 View

Where can I purchase premade substrates with reference standard films on them?

I don't want to special order them due to the expense.I need to test a device that is similar to an ellipsometer. I need standards to test my device, however, I need the standard substrates to be...

01 January 2014 3,060 1 View