print eval metric definitions

docs/notebooks/ceviche_challenges.ipynb

@@ -9,7 +9,26 @@
     "\n",
     "Visit the invrs-gym docs for the [ceviche challenges](https://invrs-io.github.io/gym/notebooks/ceviche_challenge.html).\n",
     "\n",
-    "The ceviche challenges are based on \"[Inverse design of photonic devices with strict foundry fabrication constraints](https://doi.org/10.1021/acsphotonics.2c00313)\" by M. F. Schubert et al., and the associated [github repo](https://github.com/google/ceviche-challenges). They entail the design of integrated photonic components such as a beam splitter, mode converter, waveguide bend, and wavelength demultiplexer (wdm)."
+    "The ceviche challenges are based on \"[Inverse design of photonic devices with strict foundry fabrication constraints](https://doi.org/10.1021/acsphotonics.2c00313)\" by M. F. Schubert et al., and the associated [github repo](https://github.com/google/ceviche-challenges). They entail the design of integrated photonic components such as a beam splitter, mode converter, waveguide bend, and wavelength demultiplexer (wdm).\n",
+    "\n",
+    "The eval metric for ceviche challenges is defined in terms of transmission upper and lower bounds that are specified for each challenge, as follows:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "900d5b5b",
+   "metadata": {
+    "tags": [
+     "hide-input"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "from invrs_gym import challenges\n",
+    "\n",
+    "docstring = challenges.ceviche_beam_splitter().eval_metric.__doc__\n",
+    "print(\"\\n\".join(docstring.split(\"Args\")[0].split(\"\\n\")[2:-2]))"
    ]
   },
   {

docs/notebooks/diffractive_splitter.ipynb

@@ -9,7 +9,26 @@
     "\n",
     "Visit the invrs-gym docs for the [diffractive splitter challenge](https://invrs-io.github.io/gym/notebooks/diffractive_splitter_challenge.html).\n",
     "\n",
-    "The diffractive splitter challenge is based on the “[Design and rigorous analysis of a non-paraxial diffractive beamsplitter](https://www.lighttrans.com/fileadmin/shared/UseCases/Application_UC_Rigorous%20Analysis%20of%20Non-paraxial%20Diffractive%20Beam%20Splitter.pdf)” slide deck retrieved from the LightTrans web site, and entails the design of a metasurface that evenly splits a normally-incident plane wave into a 7x7 array of beams, with diffraction angles of ±15 degrees."
+    "The diffractive splitter challenge is based on the “[Design and rigorous analysis of a non-paraxial diffractive beamsplitter](https://www.lighttrans.com/fileadmin/shared/UseCases/Application_UC_Rigorous%20Analysis%20of%20Non-paraxial%20Diffractive%20Beam%20Splitter.pdf)” slide deck retrieved from the LightTrans web site, and entails the design of a metasurface that evenly splits a normally-incident plane wave into a 7x7 array of beams, with diffraction angles of ±15 degrees.\n",
+    "\n",
+    "The diffractive splitter eval metric is defined as follows:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "a805742a",
+   "metadata": {
+    "tags": [
+     "hide-input"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "from invrs_gym import challenges\n",
+    "\n",
+    "docstring = challenges.diffractive_splitter().eval_metric.__doc__\n",
+    "print(\"\\n\".join(docstring.split(\"Args\")[0].split(\"\\n\")[2:-2]))"
    ]
   },
   {

docs/notebooks/meta_atom_library.ipynb

@@ -9,7 +9,26 @@
     "\n",
     "Visit the invrs-gym docs for the [meta-atom library challenge](https://invrs-io.github.io/gym/notebooks/library_challenge.html).\n",
     "\n",
-    "The meta-atom library challenge is based on “[Dispersion-engineered metasurfaces reaching broadband 90% relative diffraction efficiency](https://www.nature.com/articles/s41467-023-38185-2)” by Chen et al., and entails the design of eight meta-atoms for use in broadband, visible-wavelength metasurfaces."
+    "The meta-atom library challenge is based on “[Dispersion-engineered metasurfaces reaching broadband 90% relative diffraction efficiency](https://www.nature.com/articles/s41467-023-38185-2)” by Chen et al., and entails the design of eight meta-atoms for use in broadband, visible-wavelength metasurfaces.\n",
+    "\n",
+    "The meta atom library eval metric is defined as follows:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "04502bcc",
+   "metadata": {
+    "tags": [
+     "hide-input"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "from invrs_gym import challenges\n",
+    "\n",
+    "docstring = challenges.meta_atom_library().eval_metric.__doc__\n",
+    "print(\"\\n\".join(docstring.split(\"Args\")[0].split(\"\\n\")[2:-2]))"
    ]
   },
   {

docs/notebooks/metagrating.ipynb

@@ -9,7 +9,26 @@
     "\n",
     "Visit the invrs-gym docs for the [metagrating challenge](https://invrs-io.github.io/gym/notebooks/metagrating_challenge.html).\n",
     "\n",
-    "The metagrating challenge is based on  “[Validation and characterization of algorithms and software for photonics inverse design](https://opg.optica.org/josab/ViewMedia.cfm?uri=josab-41-2-A161)” by Chen et al., and entails the design of a metasurface that deflects a normally-incident plane wave so that it propagates with a polar angle of 50 degrees."
+    "The metagrating challenge is based on  “[Validation and characterization of algorithms and software for photonics inverse design](https://opg.optica.org/josab/ViewMedia.cfm?uri=josab-41-2-A161)” by Chen et al., and entails the design of a metasurface that deflects a normally-incident plane wave so that it propagates with a polar angle of 50 degrees.\n",
+    "\n",
+    "The metagrating eval metric is defined as follows:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5b6574f9",
+   "metadata": {
+    "tags": [
+     "hide-input"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "from invrs_gym import challenges\n",
+    "\n",
+    "docstring = challenges.metagrating().eval_metric.__doc__\n",
+    "print(\"\\n\".join(docstring.split(\"Args\")[0].split(\"\\n\")[2:-2]))"
    ]
   },
   {

docs/notebooks/metalens.ipynb

@@ -9,7 +9,26 @@
     "\n",
     "Visit the invrs-gym docs for the [metalens challenge](https://invrs-io.github.io/gym/notebooks/metalens_challenge.html).\n",
     "\n",
-    "The metalens challenge is based on  “[Validation and characterization of algorithms and software for photonics inverse design](https://opg.optica.org/josab/ViewMedia.cfm?uri=josab-41-2-A161)” by Chen et al., and entails the design of one-dimensional metalens that focuses normally-incident 450 nm, 550 nm, and 650 nm plane waves to a point 2.4 microns above the metalens surface."
+    "The metalens challenge is based on  “[Validation and characterization of algorithms and software for photonics inverse design](https://opg.optica.org/josab/ViewMedia.cfm?uri=josab-41-2-A161)” by Chen et al., and entails the design of one-dimensional metalens that focuses normally-incident 450 nm, 550 nm, and 650 nm plane waves to a point 2.4 microns above the metalens surface.\n",
+    "\n",
+    "The metalens eval metric is defined as follows:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9e189811",
+   "metadata": {
+    "tags": [
+     "hide-input"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "from invrs_gym import challenges\n",
+    "\n",
+    "docstring = challenges.metalens().eval_metric.__doc__\n",
+    "print(\"\\n\".join(docstring.split(\"Args\")[0].split(\"\\n\")[2:-2]))"
    ]
   },
   {

docs/notebooks/photon_extractor.ipynb

@@ -9,7 +9,26 @@
     "\n",
     "Visit the invrs-gym docs for the [photon extractor challenge](https://invrs-io.github.io/gym/notebooks/photon_extractor_challenge.html).\n",
     "\n",
-    "The metalens challenge is based on  “[Inverse-designed photon extractors for optically addressable defect qubits](https://opg.optica.org/optica/fulltext.cfm?uri=optica-7-12-1805)” by Chakravarthi et al., and entails the design of a patterned GaP layer that enhances the power collected from a nitrogen vacancy defect buried at a depth of 100 nm within a diamond substrate."
+    "The metalens challenge is based on  “[Inverse-designed photon extractors for optically addressable defect qubits](https://opg.optica.org/optica/fulltext.cfm?uri=optica-7-12-1805)” by Chakravarthi et al., and entails the design of a patterned GaP layer that enhances the power collected from a nitrogen vacancy defect buried at a depth of 100 nm within a diamond substrate.\n",
+    "\n",
+    "The photon extractor eval metric is defined as follows:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "d53fb9f1",
+   "metadata": {
+    "tags": [
+     "hide-input"
+    ]
+   },
+   "outputs": [],
+   "source": [
+    "from invrs_gym import challenges\n",
+    "\n",
+    "docstring = challenges.photon_extractor().eval_metric.__doc__\n",
+    "print(\"\\n\".join(docstring.split(\"Args\")[0].split(\"\\n\")[2:-2]))"
    ]
   },
   {