What are the most appropriate polarisation optics for Yb:YAG?

More Guy Whitworth's questions See All

Theory of cooperation?

cooperation between public authorities including domestic public action, sociology and political science

19 June 2023 5,644 0 View

Which statistical analysis should I use?

Hi everyone, I have some trouble finding the correct method for statistical analysis. I was thinking about a two-tailed paired T test, but that only considers the mean value of my replicates and...

03 April 2023 743 4 View

Methods for long term whole blood sample storage?

Are there any proven storage methods (additives,etc.) to store whole blood while maintaining its stability for longer term development studies? Any recommended additives or methods for use with...

22 January 2023 4,675 0 View

Seeing information on the Scottish composer Brian Bonsor and on recorders in Scottish education?

Researching "Recorders in Scottish education: the life and work of Brian Bonsor. Would appreciate any information or suggestions. Thank you.

16 May 2021 8,483 3 View

Does simplifying mixed models by removing non-significant random effects cause pseudoreplication?

I have sampled fish populations inside and outside of a protected area. I sampled 4 sites inside and 4 sites outside. Each site was sampled 6 times over a year. I am running generalised linear...

19 May 2020 3,838 0 View

The correct scientific name of the Cuban oak is Quercus sagraeana or Quercus sagrana?

I am not a botanist or familiar with the botanical Code ( https://www.iapt-taxon.org/nomen/pages/intro/dates.html), but would like to establish which is the correct spelling of this species of oak...

19 March 2020 2,116 3 View

Did high-ranking American politicians interfere with the conclusions of the USSBS ?

I am looking for support or refutation of the theory that high-ranking American politicians intervened in order to influence the conclusions of the United States Strategic Bombing Survey (USSBS)...

08 March 2020 2,587 0 View

Can focused ion beams be used for cutting 500nm wide trenches in metals, and ceramics?

Does anyone have relevant info on this?

01 May 2019 1,254 3 View

Why is Logical root sequence number in Root Zadoff-Chu needed?

Hi, I have been investigating RACH preamble planning and the properties of Root Zadoff-Chu sequences as used in 3GPP. From Wikipedia, Zadoff-Chu sequences have the following properties: The auto...

29 January 2019 1,328 0 View

How to conduct a multilevel moderated-mediation in Mplus?

Hi, I have a within-between participants design. The mediator and DV are measured twice (pre-post manipulation) and the moderator is a personality variable. Does anyone have an example of a Mplus...

21 October 2018 8,908 2 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Swerling Characteristic functions?

Hello!!! I want to implement the Swerling characteristics functions (CF) directly in MATLAB without using its Fourier integral pairs...the Swerling CFs are actually Laplace Transform of the signal...

23 July 2024 4,925 1 View

Does the bread-making process lead to a sufficient reduction in lectin activity of bean flour to guarantee food safety?

I'm currently working on the implementation of pulses (legumes) in bakery applications. In one case, pulse flours could be added to bread to increase the nutritional value. Pulses (in particular...

17 July 2024 7,293 3 View

Is defatted soybean considered a pulse?

According to various research, soybean is not considered a pulse because of its high fat content.

30 June 2024 6,311 0 View

Does the temporal summation of EPSPs accumulate linearly to action potential threshold or logarithmically to a plateau/limit?

I am attempting to determine which current inputs (in uA) are subthreshold for inducing a burst of activity. This is because I am attempting to model DBS form epilepsy in vitro, which clinically...

23 June 2024 4,083 1 View

I'm stimulating the shaffer collateral but do not want to generate LTP, what herz am I limited to?

I'm a graduate student at UWM focusing on electrophysiology. I'm trying to perform Shaffer Collateral stimulation of CA1 pyramidal neurons. If I were to have a protocol with 6s of no stim, 2...

18 June 2024 319 0 View

Piezoresponse Force Microscopy and it’s artefacts?

How can someone remove different artefacts leading to false results due to electrostatic and flexoelectric effects during PFM measurements? during measurement what steps can be taken to nullify...

02 June 2024 8,242 0 View

What should the phase and pulse duration be for deep-brain stimulation (DBS) for epilepsy?

In DBS settings, I have seen stimulus widths of up to 500 us in duration; however, the most common pulse duration seems to be between 90-150 us. Clinically, mono- or bi-polar electrodes can be...

26 May 2024 5,819 0 View

How to image lithium metal using Paravision or Topspin?

I hope to use MRI methods to image species with extremely short transverse relaxation times (e.g., 7Li of lithium metal). I recently started using Bruker's microimaging system(Micro 2.5) and the...

12 May 2024 6,795 10 View

Should a biphasic electrical stimulation pulse on neural networks be positive followed by a negative phase or negative followed by positive phase?

I am using a biphasic electrical stimulation on neural networks to attempt to induce electrical kindling for epilepsy on neural networks. In addition, I will be attempting to modulate said...

09 May 2024 7,167 1 View

Aleksandr V. Shulga

A Brewster plate (or a set of Brewster plates in the case of transmission).

What about the Courtney-Pratt biprism ? The techniqe is old, but it is also an option . J. H. Brunton, "Polarization of the Light Output from a Ruby Optical Maser," Appl. Opt. 3, 1241-1246 (1964) and Sun Lu and T. A. Rabson, "A High Time Resolution Polarimeter for Laser Analysis," Appl. Opt. 5, 1293-1296 (1966)